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235308972 = 223313791669
BaseRepresentation
bin11100000011010…
…00011110101100
3121101202221020010
432001220132230
5440214341342
635203253220
75555043663
oct1601503654
9541687203
10235308972
1111090a128
126697a210
133999a8a2
1423373dda
15159d129c
hexe0687ac

235308972 has 48 divisors (see below), whose sum is σ = 568601600. Its totient is φ = 75660480.

The previous prime is 235308971. The next prime is 235309001. The reversal of 235308972 is 279803532.

235308972 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

235308972 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 235308972.

It is not an unprimeable number, because it can be changed into a prime (235308971) 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 15 ways as a sum of consecutive naturals, for example, 140154 + ... + 141822.

Almost surely, 2235308972 is an apocalyptic number.

It is an amenable number.

235308972 is an abundant number, since it is smaller than the sum of its proper divisors (333292628).

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

235308972 is a wasteful number, since it uses less digits than its factorization.

235308972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 235308972 is about 15339.7839619729. The cubic root of 235308972 is about 617.3709101995.

The spelling of 235308972 in words is "two hundred thirty-five million, three hundred eight thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 379 758 1137 1516 1669 2274 3338 4548 5007 6676 10014 11749 20028 23498 35247 46996 51739 70494 103478 140988 155217 206956 310434 620868 632551 1265102 1897653 2530204 3795306 7590612 19609081 39218162 58827243 78436324 117654486 235308972