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234638404 = 227111358601
BaseRepresentation
bin11011111110001…
…00110001000100
3121100111212101021
431333010301010
5440031412104
635141040524
75546251660
oct1577046104
9540455337
10234638404
111104a1340
12666b6144
13397c45c0
142323b8a0
15158ec754
hexdfc4c44

234638404 has 48 divisors (see below), whose sum is σ = 551327616. Its totient is φ = 84384000.

The previous prime is 234638377. The next prime is 234638419. The reversal of 234638404 is 404836432.

234638404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 234638404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25297 + ... + 33304.

It is an arithmetic number, because the mean of its divisors is an integer number (11485992).

Almost surely, 2234638404 is an apocalyptic number.

It is an amenable number.

234638404 is an abundant number, since it is smaller than the sum of its proper divisors (316689212).

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

234638404 is a wasteful number, since it uses less digits than its factorization.

234638404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58636 (or 58634 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 234638404 is about 15317.9112153061. The cubic root of 234638404 is about 616.7839045989.

The spelling of 234638404 in words is "two hundred thirty-four million, six hundred thirty-eight thousand, four hundred four".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 58601 117202 234404 410207 644611 761813 820414 1289222 1523626 1640828 2578444 3047252 4512277 5332691 8379943 9024554 10665382 16759886 18049108 21330764 33519772 58659601 117319202 234638404