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13861070 = 251972953
BaseRepresentation
bin110100111000…
…000011001110
3222002012210222
4310320003032
512022023240
61213031342
7225550166
oct64700316
928065728
1013861070
117908033
124785552
132b44122
141bab5a6
15133beb5
hexd380ce

13861070 has 16 divisors (see below), whose sum is σ = 26263440. Its totient is φ = 5252544.

The previous prime is 13861063. The next prime is 13861073. The reversal of 13861070 is 7016831.

13861070 = T492 + T493 + ... + T586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13861073) by changing a digit.

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, 36287 + ... + 36666.

It is an arithmetic number, because the mean of its divisors is an integer number (1641465).

Almost surely, 213861070 is an apocalyptic number.

13861070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13861070 is a deficient number, since it is larger than the sum of its proper divisors (12402370).

13861070 is a wasteful number, since it uses less digits than its factorization.

13861070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72979.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 13861070 is about 3723.0457961191. The cubic root of 13861070 is about 240.2143339932.

The spelling of 13861070 in words is "thirteen million, eight hundred sixty-one thousand, seventy".

Divisors: 1 2 5 10 19 38 95 190 72953 145906 364765 729530 1386107 2772214 6930535 13861070