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13918464 = 28327863
BaseRepresentation
bin110101000110…
…000100000000
3222012010112200
4311012010000
512030342324
61214153200
7226206420
oct65060400
928163480
1013918464
11794716a
1247b2800
132b642a1
141bc4480
15134dec9
hexd46100

13918464 has 108 divisors (see below), whose sum is σ = 45916416. Its totient is φ = 3972096.

The previous prime is 13918451. The next prime is 13918477. The reversal of 13918464 is 46481931.

It is an interprime number because it is at equal distance from previous prime (13918451) and next prime (13918477).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15697 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (425152).

Almost surely, 213918464 is an apocalyptic number.

13918464 is a gapful number since it is divisible by the number (14) 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 13918464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22958208).

13918464 is an abundant number, since it is smaller than the sum of its proper divisors (31997952).

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

13918464 is an equidigital number, since it uses as much as digits as its factorization.

13918464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 875 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13918464 is about 3730.7457699500. The cubic root of 13918464 is about 240.5454261871.

The spelling of 13918464 in words is "thirteen million, nine hundred eighteen thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 576 672 768 863 896 1008 1152 1344 1726 1792 2016 2304 2589 2688 3452 4032 5178 5376 6041 6904 7767 8064 10356 12082 13808 15534 16128 18123 20712 24164 27616 31068 36246 41424 48328 54369 55232 62136 72492 82848 96656 108738 110464 124272 144984 165696 193312 217476 220928 248544 289968 331392 386624 434952 497088 579936 662784 773248 869904 994176 1159872 1546496 1739808 1988352 2319744 3479616 4639488 6959232 13918464