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137244044 = 22716330071
BaseRepresentation
bin10000010111000…
…10110110001100
3100120020201102202
420023202312030
5240113302134
621341341032
73254361260
oct1013426614
9316221382
10137244044
117051a533
1239b67778
1322583ac2
14143280a0
15c0aed7e
hex82e2d8c

137244044 has 24 divisors (see below), whose sum is σ = 276181248. Its totient is φ = 58456080.

The previous prime is 137244017. The next prime is 137244157. The reversal of 137244044 is 440442731.

It is a super-2 number, since 2×1372440442 = 37671855226947872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137243998 and 137244016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (11507552).

Almost surely, 2137244044 is an apocalyptic number.

137244044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137244044 is an abundant number, since it is smaller than the sum of its proper divisors (138937204).

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

137244044 is a wasteful number, since it uses less digits than its factorization.

137244044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30245 (or 30243 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 137244044 is about 11715.1203152166. The cubic root of 137244044 is about 515.8195942054.

Adding to 137244044 its reverse (440442731), we get a palindrome (577686775).

The spelling of 137244044 in words is "one hundred thirty-seven million, two hundred forty-four thousand, forty-four".

Divisors: 1 2 4 7 14 28 163 326 652 1141 2282 4564 30071 60142 120284 210497 420994 841988 4901573 9803146 19606292 34311011 68622022 137244044