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137484440 = 23517202183
BaseRepresentation
bin10000011000111…
…01100010011000
3100120200221012022
420030131202120
5240144000230
621350434012
73256412162
oct1014354230
9316627168
10137484440
1170674105
123a062908
1322639352
141438b932
15c10b1e5
hex831d898

137484440 has 32 divisors (see below), whose sum is σ = 327538080. Its totient is φ = 51758592.

The previous prime is 137484421. The next prime is 137484449. The reversal of 137484440 is 44484731.

It is a super-2 number, since 2×1374844402 = 37803942484227200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 137484440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137484449) 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, 100412 + ... + 101771.

It is an arithmetic number, because the mean of its divisors is an integer number (10235565).

Almost surely, 2137484440 is an apocalyptic number.

137484440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137484440 is an abundant number, since it is smaller than the sum of its proper divisors (190053640).

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

137484440 is a wasteful number, since it uses less digits than its factorization.

137484440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202211 (or 202207 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 137484440 is about 11725.3759001577. The cubic root of 137484440 is about 516.1205875651.

The spelling of 137484440 in words is "one hundred thirty-seven million, four hundred eighty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 202183 404366 808732 1010915 1617464 2021830 3437111 4043660 6874222 8087320 13748444 17185555 27496888 34371110 68742220 137484440