Search a number
-
+
190844712 = 23322650621
BaseRepresentation
bin10110110000000…
…00111100101000
3111022002220201200
423120000330220
5342324012322
630534244200
74505103402
oct1330007450
9438086650
10190844712
11987aa503
1253ab6660
1330700086
141b4bbb72
1511b4b8ac
hexb600f28

190844712 has 24 divisors (see below), whose sum is σ = 516871290. Its totient is φ = 63614880.

The previous prime is 190844701. The next prime is 190844741. The reversal of 190844712 is 217448091.

It can be written as a sum of positive squares in only one way, i.e., 185340996 + 5503716 = 13614^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1325239 + ... + 1325382.

Almost surely, 2190844712 is an apocalyptic number.

190844712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190844712 is an abundant number, since it is smaller than the sum of its proper divisors (326026578).

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

190844712 is a wasteful number, since it uses less digits than its factorization.

190844712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650633 (or 2650626 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 190844712 is about 13814.6556960353. The cubic root of 190844712 is about 575.7404067502.

The spelling of 190844712 in words is "one hundred ninety million, eight hundred forty-four thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2650621 5301242 7951863 10602484 15903726 21204968 23855589 31807452 47711178 63614904 95422356 190844712