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137642108 = 2231261587
BaseRepresentation
bin10000011010001…
…00000001111100
3100120222221110212
420031010001330
5240214021413
621354051552
73260636642
oct1015040174
9316887425
10137642108
117077160a
123a119bb8
1322693046
14143cd192
15c13cca8
hex834407c

137642108 has 36 divisors (see below), whose sum is σ = 253405656. Its totient is φ = 65397600.

The previous prime is 137642107. The next prime is 137642117. The reversal of 137642108 is 801246731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137642107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234191 + ... + 234777.

It is an arithmetic number, because the mean of its divisors is an integer number (7039046).

Almost surely, 2137642108 is an apocalyptic number.

It is an amenable number.

137642108 is a deficient number, since it is larger than the sum of its proper divisors (115763548).

137642108 is a wasteful number, since it uses less digits than its factorization.

137642108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 137642108 is about 11732.0973402031. The cubic root of 137642108 is about 516.3178089458.

Adding to 137642108 its reverse (801246731), we get a palindrome (938888839).

The spelling of 137642108 in words is "one hundred thirty-seven million, six hundred forty-two thousand, one hundred eight".

Divisors: 1 2 4 31 61 62 122 124 244 587 961 1174 1891 1922 2348 3782 3844 7564 18197 35807 36394 58621 71614 72788 117242 143228 234484 564107 1110017 1128214 2220034 2256428 4440068 34410527 68821054 137642108