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13383072 = 2532311499
BaseRepresentation
bin110011000011…
…010110100000
3221011221010100
4303003112200
511411224242
61154502400
7221516463
oct63032640
927157110
1013383072
11761099a
124594a00
132a076a1
141ac52da
15129554c
hexcc35a0

13383072 has 72 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 4314240.

The previous prime is 13383053. The next prime is 13383077. The reversal of 13383072 is 27038331.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (13383077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8179 + ... + 9677.

It is an arithmetic number, because the mean of its divisors is an integer number (546000).

Almost surely, 213383072 is an apocalyptic number.

13383072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13383072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19656000).

13383072 is an abundant number, since it is smaller than the sum of its proper divisors (25928928).

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

13383072 is a wasteful number, since it uses less digits than its factorization.

13383072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13383072 is about 3658.2881242461. The cubic root of 13383072 is about 237.4207129613.

The spelling of 13383072 in words is "thirteen million, three hundred eighty-three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 186 248 279 288 372 496 558 744 992 1116 1488 1499 2232 2976 2998 4464 4497 5996 8928 8994 11992 13491 17988 23984 26982 35976 46469 47968 53964 71952 92938 107928 139407 143904 185876 215856 278814 371752 418221 431712 557628 743504 836442 1115256 1487008 1672884 2230512 3345768 4461024 6691536 13383072