Search a number
-
+
191200896 = 2732269617
BaseRepresentation
bin10110110010101…
…11111010000000
3111022210000022200
423121113322000
5342421412041
630550033200
74511116005
oct1331277200
9438700280
10191200896
1198a23077
1254048800
13307c6233
141b5718ac
1511bbc1b6
hexb657e80

191200896 has 96 divisors (see below), whose sum is σ = 553140900. Its totient is φ = 63393792.

The previous prime is 191200879. The next prime is 191200897. The reversal of 191200896 is 698002191.

191200896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135489600 + 55711296 = 11640^2 + 7464^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 191200896.

It is not an unprimeable number, because it can be changed into a prime (191200897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309580 + ... + 310196.

Almost surely, 2191200896 is an apocalyptic number.

191200896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191200896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276570450).

191200896 is an abundant number, since it is smaller than the sum of its proper divisors (361940004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191200896 is a wasteful number, since it uses less digits than its factorization.

191200896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 191200896 is about 13827.5412131008. The cubic root of 191200896 is about 576.0983628314.

The spelling of 191200896 in words is "one hundred ninety-one million, two hundred thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 269 288 384 538 576 617 807 1076 1152 1234 1614 1851 2152 2421 2468 3228 3702 4304 4842 4936 5553 6456 7404 8608 9684 9872 11106 12912 14808 17216 19368 19744 22212 25824 29616 34432 38736 39488 44424 51648 59232 77472 78976 88848 103296 118464 154944 165973 177696 236928 309888 331946 355392 497919 663892 710784 995838 1327784 1493757 1991676 2655568 2987514 3983352 5311136 5975028 7966704 10622272 11950056 15933408 21244544 23900112 31866816 47800224 63733632 95600448 191200896