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13385304 = 2333311999
BaseRepresentation
bin110011000011…
…111001011000
3221012001012000
4303003321120
511411312204
61154521000
7221526132
oct63037130
927161160
1013385304
117612639
124596160
132a086ca
141ac6052
151296039
hexcc3e58

13385304 has 64 divisors (see below), whose sum is σ = 38400000. Its totient is φ = 4315680.

The previous prime is 13385299. The next prime is 13385347. The reversal of 13385304 is 40358331.

It is a happy number.

13385304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5697 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (600000).

Almost surely, 213385304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13385304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19200000).

13385304 is an abundant number, since it is smaller than the sum of its proper divisors (25014696).

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

13385304 is a wasteful number, since it uses less digits than its factorization.

13385304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13385304 is about 3658.5931722453. The cubic root of 13385304 is about 237.4339110664.

It can be divided in two parts, 13385 and 304, that added together give a square (13689 = 1172).

The spelling of 13385304 in words is "thirteen million, three hundred eighty-five thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 558 744 837 1116 1674 1999 2232 3348 3998 5997 6696 7996 11994 15992 17991 23988 35982 47976 53973 61969 71964 107946 123938 143928 185907 215892 247876 371814 431784 495752 557721 743628 1115442 1487256 1673163 2230884 3346326 4461768 6692652 13385304