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137740648 = 2341463907
BaseRepresentation
bin10000011010111…
…00000101101000
3100121011221122111
420031130011220
5240230200043
621400132104
73261530143
oct1015340550
9317157574
10137740648
1170829651
123a167034
13226c8b56
141441705a
15c15c09d
hex835c168

137740648 has 32 divisors (see below), whose sum is σ = 265426560. Its totient is φ = 66971520.

The previous prime is 137740619. The next prime is 137740711. The reversal of 137740648 is 846047731.

It is a super-3 number, since 3×1377406483 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 137740648.

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 7 ways as a sum of consecutive naturals, for example, 151411 + ... + 152317.

It is an arithmetic number, because the mean of its divisors is an integer number (8294580).

Almost surely, 2137740648 is an apocalyptic number.

It is an amenable number.

137740648 is a deficient number, since it is larger than the sum of its proper divisors (127685912).

137740648 is a wasteful number, since it uses less digits than its factorization.

137740648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 137740648 is about 11736.2961789485. The cubic root of 137740648 is about 516.4409927133.

It can be divided in two parts, 1377 and 40648, that added together give a square (42025 = 2052).

The spelling of 137740648 in words is "one hundred thirty-seven million, seven hundred forty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 41 82 164 328 463 907 926 1814 1852 3628 3704 7256 18983 37187 37966 74374 75932 148748 151864 297496 419941 839882 1679764 3359528 17217581 34435162 68870324 137740648