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13970016 = 2533192337
BaseRepresentation
bin110101010010…
…101001100000
3222021202021000
4311102221200
512034020031
61215232000
7226512624
oct65225140
928252230
1013970016
117981975
124818600
132b818a8
141bd9184
15135e3e6
hexd52a60

13970016 has 192 divisors, whose sum is σ = 45964800. Its totient is φ = 4105728.

The previous prime is 13970009. The next prime is 13970023. The reversal of 13970016 is 61007931.

It is an interprime number because it is at equal distance from previous prime (13970009) and next prime (13970023).

It is a super-2 number, since 2×139700162 = 390322694080512, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 377550 + ... + 377586.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 213970016 is an apocalyptic number.

13970016 is a gapful number since it is divisible by the number (16) 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 13970016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22982400).

13970016 is an abundant number, since it is smaller than the sum of its proper divisors (31994784).

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

13970016 is a wasteful number, since it uses less digits than its factorization.

13970016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 13970016 is about 3737.6484585900. The cubic root of 13970016 is about 240.8420422319.

Adding to 13970016 its reverse (61007931), we get a palindrome (74977947).

The spelling of 13970016 in words is "thirteen million, nine hundred seventy thousand, sixteen".