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136849648 = 2413657931
BaseRepresentation
bin10000010100000…
…10100011110000
3100112111200102111
420022002203300
5240013142043
621325055104
73251126365
oct1012024360
9315450374
10136849648
1170280191
12399b7494
1322476430
141426446c
15c03309d
hex82828f0

136849648 has 20 divisors (see below), whose sum is σ = 285542488. Its totient is φ = 63161280.

The previous prime is 136849627. The next prime is 136849649. The reversal of 136849648 is 846948631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136849649) 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, 328758 + ... + 329173.

Almost surely, 2136849648 is an apocalyptic number.

It is an amenable number.

136849648 is an abundant number, since it is smaller than the sum of its proper divisors (148692840).

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

136849648 is a wasteful number, since it uses less digits than its factorization.

136849648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657952 (or 657946 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 136849648 is about 11698.2754284553. The cubic root of 136849648 is about 515.3250193303.

It can be divided in two parts, 13684 and 9648, that added together give a palindrome (23332).

The spelling of 136849648 in words is "one hundred thirty-six million, eight hundred forty-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 657931 1315862 2631724 5263448 8553103 10526896 17106206 34212412 68424824 136849648