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137031248 = 2437322961
BaseRepresentation
bin10000010101011…
…10111001010000
3100112211220112102
420022232321100
5240034444443
621333015532
73252514004
oct1012567120
9315756472
10137031248
1170394672
1239a845a8
132250aca3
14142b0704
15c06bcb8
hex82aee50

137031248 has 20 divisors (see below), whose sum is σ = 266221428. Its totient is φ = 68328960.

The previous prime is 137031247. The next prime is 137031259. The reversal of 137031248 is 842130731.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 52243984 = 9208^2 + 7228^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137031248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137031247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513 + ... + 17448.

Almost surely, 2137031248 is an apocalyptic number.

It is an amenable number.

137031248 is a deficient number, since it is larger than the sum of its proper divisors (129190180).

137031248 is a wasteful number, since it uses less digits than its factorization.

137031248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342 (or 23336 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 137031248 is about 11706.0346830171. The cubic root of 137031248 is about 515.5528646587.

Adding to 137031248 its reverse (842130731), we get a palindrome (979161979).

The spelling of 137031248 in words is "one hundred thirty-seven million, thirty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 373 746 1492 2984 5968 22961 45922 91844 183688 367376 8564453 17128906 34257812 68515624 137031248