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137638006 = 21110957397
BaseRepresentation
bin10000011010000…
…11000001110110
3100120222201211221
420031003001312
5240213404011
621354020554
73260621662
oct1015030166
9316881757
10137638006
1170769520
123a11775a
132269120c
14143cb8a2
15c13b971
hex8343076

137638006 has 16 divisors (see below), whose sum is σ = 227296080. Its totient is φ = 61987680.

The previous prime is 137637991. The next prime is 137638013. The reversal of 137638006 is 600836731.

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, 26301 + ... + 31096.

It is an arithmetic number, because the mean of its divisors is an integer number (14206005).

Almost surely, 2137638006 is an apocalyptic number.

137638006 is a deficient number, since it is larger than the sum of its proper divisors (89658074).

137638006 is a wasteful number, since it uses less digits than its factorization.

137638006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57519.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 137638006 is about 11731.9225193487. The cubic root of 137638006 is about 516.3126798063.

The spelling of 137638006 in words is "one hundred thirty-seven million, six hundred thirty-eight thousand, six".

Divisors: 1 2 11 22 109 218 1199 2398 57397 114794 631367 1262734 6256273 12512546 68819003 137638006