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13620070 = 2537131281
BaseRepresentation
bin110011111101…
…001101100110
3221121222020001
4303331031212
511441320240
61203531514
7223524442
oct63751546
927558201
1013620070
117762a62
124689b9a
132a8b519
141b47822
1512e089a
hexcfd366

13620070 has 32 divisors (see below), whose sum is σ = 25461216. Its totient is φ = 5241600.

The previous prime is 13620059. The next prime is 13620073. The reversal of 13620070 is 7002631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48330 + ... + 48610.

It is an arithmetic number, because the mean of its divisors is an integer number (795663).

Almost surely, 213620070 is an apocalyptic number.

13620070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13620070 is a deficient number, since it is larger than the sum of its proper divisors (11841146).

13620070 is a wasteful number, since it uses less digits than its factorization.

13620070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13620070 is about 3690.5379011738. The cubic root of 13620070 is about 238.8139983583.

The spelling of 13620070 in words is "thirteen million, six hundred twenty thousand, seventy".

Divisors: 1 2 5 10 37 74 131 185 262 281 370 562 655 1310 1405 2810 4847 9694 10397 20794 24235 36811 48470 51985 73622 103970 184055 368110 1362007 2724014 6810035 13620070