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230972035 = 572979719
BaseRepresentation
bin11011100010001…
…01101010000011
3121002121121001211
431301011222003
5433112101120
634530310551
75503141600
oct1561055203
9532547054
10230972035
11109417788
1265428457
1338b0c858
14229656a7
151542625a
hexdc45a83

230972035 has 24 divisors (see below), whose sum is σ = 325775520. Its totient is φ = 156731904.

The previous prime is 230972033. The next prime is 230972051. The reversal of 230972035 is 530279032.

It is not a de Polignac number, because 230972035 - 21 = 230972033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230971988 and 230972006.

It is not an unprimeable number, because it can be changed into a prime (230972033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18906 + ... + 28624.

It is an arithmetic number, because the mean of its divisors is an integer number (13573980).

Almost surely, 2230972035 is an apocalyptic number.

230972035 is a deficient number, since it is larger than the sum of its proper divisors (94803485).

230972035 is an equidigital number, since it uses as much as digits as its factorization.

230972035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835 (or 9828 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 230972035 is about 15197.7641447681. The cubic root of 230972035 is about 613.5544828753.

The spelling of 230972035 in words is "two hundred thirty million, nine hundred seventy-two thousand, thirty-five".

Divisors: 1 5 7 35 49 97 245 485 679 3395 4753 9719 23765 48595 68033 340165 476231 942743 2381155 4713715 6599201 32996005 46194407 230972035