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137613040 = 2451720163
BaseRepresentation
bin10000011001111…
…00111011110000
3100120221110121021
420030330323300
5240212104130
621353305224
73260456125
oct1014747360
9316843537
10137613040
1170751794
123a105214
1322682a46
14143c274c
15c13437a
hex833cef0

137613040 has 20 divisors (see below), whose sum is σ = 319950504. Its totient is φ = 55045184.

The previous prime is 137613037. The next prime is 137613041. The reversal of 137613040 is 40316731.

137613040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 137612996 and 137613014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137613041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860002 + ... + 860161.

Almost surely, 2137613040 is an apocalyptic number.

137613040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137613040 is an abundant number, since it is smaller than the sum of its proper divisors (182337464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137613040 is a wasteful number, since it uses less digits than its factorization.

137613040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720176 (or 1720170 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 137613040 is about 11730.8584511109. The cubic root of 137613040 is about 516.2814601304.

Adding to 137613040 its reverse (40316731), we get a palindrome (177929771).

The spelling of 137613040 in words is "one hundred thirty-seven million, six hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1720163 3440326 6880652 8600815 13761304 17201630 27522608 34403260 68806520 137613040