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137406650 = 2522748133
BaseRepresentation
bin10000011000010…
…10100010111010
3100120112222111012
420030022202322
5240134003100
621345033522
73255636323
oct1014124272
9316488435
10137406650
1170620717
123a0258a2
132260cb14
141436b44a
15c0e3135
hex830a8ba

137406650 has 12 divisors (see below), whose sum is σ = 255576462. Its totient is φ = 54962640.

The previous prime is 137406637. The next prime is 137406653. The reversal of 137406650 is 56604731.

It can be written as a sum of positive squares in 3 ways, for example, as 99940009 + 37466641 = 9997^2 + 6121^2 .

It is not an unprimeable number, because it can be changed into a prime (137406653) 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 5 ways as a sum of consecutive naturals, for example, 1374017 + ... + 1374116.

Almost surely, 2137406650 is an apocalyptic number.

137406650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137406650 is a deficient number, since it is larger than the sum of its proper divisors (118169812).

137406650 is a wasteful number, since it uses less digits than its factorization.

137406650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748145 (or 2748140 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 137406650 is about 11722.0582663626. The cubic root of 137406650 is about 516.0232272260.

The spelling of 137406650 in words is "one hundred thirty-seven million, four hundred six thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 2748133 5496266 13740665 27481330 68703325 137406650