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7268404 = 22111397131
BaseRepresentation
bin11011101110100000110100
3111200021101011
4123232200310
53330042104
6415442004
7115531453
oct33564064
914607334
107268404
114114950
122526304
131676440
14d72b9a
15988904
hex6ee834

7268404 has 48 divisors (see below), whose sum is σ = 15212736. Its totient is φ = 2995200.

The previous prime is 7268399. The next prime is 7268411. The reversal of 7268404 is 4048627.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 55419 + ... + 55549.

It is an arithmetic number, because the mean of its divisors is an integer number (316932).

Almost surely, 27268404 is an apocalyptic number.

It is an amenable number.

7268404 is an abundant number, since it is smaller than the sum of its proper divisors (7944332).

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

7268404 is a wasteful number, since it uses less digits than its factorization.

7268404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 7268404 is about 2695.9977744798. The cubic root of 7268404 is about 193.7074628783.

The spelling of 7268404 in words is "seven million, two hundred sixty-eight thousand, four hundred four".

Divisors: 1 2 4 11 13 22 26 44 52 97 131 143 194 262 286 388 524 572 1067 1261 1441 1703 2134 2522 2882 3406 4268 5044 5764 6812 12707 13871 18733 25414 27742 37466 50828 55484 74932 139777 165191 279554 330382 559108 660764 1817101 3634202 7268404