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230650120 = 23519215973
BaseRepresentation
bin11011011111101…
…11000100001000
3121002000020111001
431233313010020
5433021300440
634515344344
75500331221
oct1557670410
9532006431
10230650120
11109217938
12652b20b4
1338a2917c
14228c0248
15153b0b9a
hexdbf7108

230650120 has 48 divisors (see below), whose sum is σ = 547748460. Its totient is φ = 87398784.

The previous prime is 230650109. The next prime is 230650127. The reversal of 230650120 is 21056032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 229886244 + 763876 = 15162^2 + 874^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (230650127) 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, 6454 + ... + 22426.

Almost surely, 2230650120 is an apocalyptic number.

230650120 is a gapful number since it is divisible by the number (20) 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 230650120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273874230).

230650120 is an abundant number, since it is smaller than the sum of its proper divisors (317098340).

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

230650120 is a wasteful number, since it uses less digits than its factorization.

230650120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16022 (or 15999 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 230650120 is about 15187.1695848832. The cubic root of 230650120 is about 613.2693051728.

The spelling of 230650120 in words is "two hundred thirty million, six hundred fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 361 380 722 760 1444 1805 2888 3610 7220 14440 15973 31946 63892 79865 127784 159730 303487 319460 606974 638920 1213948 1517435 2427896 3034870 5766253 6069740 11532506 12139480 23065012 28831265 46130024 57662530 115325060 230650120