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230629472 = 257207171
BaseRepresentation
bin11011011111100…
…10000001100000
3121001222012011022
431233302001200
5433020120342
634515105012
75500214063
oct1557620140
9531865138
10230629472
11109203377
12652a2168
1338a1c958
14228b68da
15153a99d2
hexdbf2060

230629472 has 12 divisors (see below), whose sum is σ = 454051836. Its totient is φ = 115314720.

The previous prime is 230629457. The next prime is 230629481. The reversal of 230629472 is 274926032.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3603554 + ... + 3603617.

It is an arithmetic number, because the mean of its divisors is an integer number (37837653).

Almost surely, 2230629472 is an apocalyptic number.

It is an amenable number.

230629472 is a deficient number, since it is larger than the sum of its proper divisors (223422364).

230629472 is an equidigital number, since it uses as much as digits as its factorization.

230629472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207181 (or 7207173 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 230629472 is about 15186.4897853322. The cubic root of 230629472 is about 613.2510044923.

The spelling of 230629472 in words is "two hundred thirty million, six hundred twenty-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 7207171 14414342 28828684 57657368 115314736 230629472