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137619490 = 2513761949
BaseRepresentation
bin10000011001111…
…10100000100010
3100120221210110011
420030332200202
5240212310430
621353355134
73260514001
oct1014764042
9316853404
10137619490
1170756618
123a108aaa
1322685968
14143c4c38
15c13622a
hex833e822

137619490 has 8 divisors (see below), whose sum is σ = 247715100. Its totient is φ = 55047792.

The previous prime is 137619487. The next prime is 137619533. The reversal of 137619490 is 94916731.

It can be written as a sum of positive squares in 2 ways, for example, as 137147521 + 471969 = 11711^2 + 687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6880965 + ... + 6880984.

Almost surely, 2137619490 is an apocalyptic number.

137619490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137619490 is a deficient number, since it is larger than the sum of its proper divisors (110095610).

137619490 is a wasteful number, since it uses less digits than its factorization.

137619490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761956.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 137619490 is about 11731.1333638315. The cubic root of 137619490 is about 516.2895261378.

The spelling of 137619490 in words is "one hundred thirty-seven million, six hundred nineteen thousand, four hundred ninety".

Divisors: 1 2 5 10 13761949 27523898 68809745 137619490