Base | Representation |
---|---|
bin | 110010011010… |
… | …000101111000 |
3 | 220212100022002 |
4 | 302122011320 |
5 | 11340322242 |
6 | 1151120132 |
7 | 220213664 |
oct | 62320570 |
9 | 26770262 |
10 | 13214072 |
11 | 7505a23 |
12 | 4513048 |
13 | 29787a1 |
14 | 1a7d8a4 |
15 | 1260432 |
hex | c9a178 |
13214072 has 32 divisors (see below), whose sum is σ = 25660800. Its totient is φ = 6375264.
The previous prime is 13214057. The next prime is 13214081. The reversal of 13214072 is 27041231.
It is a super-2 number, since 2×132140722 = 349223397642368, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36629 + ... + 36987.
It is an arithmetic number, because the mean of its divisors is an integer number (801900).
Almost surely, 213214072 is an apocalyptic number.
It is an amenable number.
13214072 is a deficient number, since it is larger than the sum of its proper divisors (12446728).
13214072 is a wasteful number, since it uses less digits than its factorization.
13214072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 515 (or 511 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 13214072 is about 3635.1165043228. The cubic root of 13214072 is about 236.4171020883.
The spelling of 13214072 in words is "thirteen million, two hundred fourteen thousand, seventy-two".
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