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137244423 = 3193293809
BaseRepresentation
bin10000010111000…
…10111100000111
3100120020201221210
420023202330013
5240113310143
621341342503
73254362341
oct1013427407
9316221853
10137244423
117051a848
1239b67a33
1322584024
1414328291
15c0b0033
hex82e2f07

137244423 has 16 divisors (see below), whose sum is σ = 184796640. Its totient is φ = 90599424.

The previous prime is 137244413. The next prime is 137244431. The reversal of 137244423 is 324442731.

It is not a de Polignac number, because 137244423 - 220 = 136195847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137244403) 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 15 ways as a sum of consecutive naturals, for example, 169243 + ... + 170051.

It is an arithmetic number, because the mean of its divisors is an integer number (11549790).

Almost surely, 2137244423 is an apocalyptic number.

137244423 is a deficient number, since it is larger than the sum of its proper divisors (47552217).

137244423 is a wasteful number, since it uses less digits than its factorization.

137244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its digits is 16128, while the sum is 30.

The square root of 137244423 is about 11715.1364908822. The cubic root of 137244423 is about 515.8200690176.

The spelling of 137244423 in words is "one hundred thirty-seven million, two hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 3 193 293 579 809 879 2427 56549 156137 169647 237037 468411 711111 45748141 137244423