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137763740 = 2256888187
BaseRepresentation
bin10000011011000…
…01101110011100
3100121020010022202
420031201232130
5240231414430
621400431032
73261654362
oct1015415634
9317203282
10137763740
1170844a34
123a178478
132270650a
1414421632
15c163d45
hex8361b9c

137763740 has 12 divisors (see below), whose sum is σ = 289303896. Its totient is φ = 55105488.

The previous prime is 137763739. The next prime is 137763749. The reversal of 137763740 is 47367731.

It is a junction number, because it is equal to n+sod(n) for n = 137763694 and 137763703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137763749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444074 + ... + 3444113.

It is an arithmetic number, because the mean of its divisors is an integer number (24108658).

Almost surely, 2137763740 is an apocalyptic number.

137763740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137763740 is an abundant number, since it is smaller than the sum of its proper divisors (151540156).

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

137763740 is a wasteful number, since it uses less digits than its factorization.

137763740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888196 (or 6888194 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 137763740 is about 11737.2799233894. The cubic root of 137763740 is about 516.4698512703.

The spelling of 137763740 in words is "one hundred thirty-seven million, seven hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 6888187 13776374 27552748 34440935 68881870 137763740