Search a number
-
+
136787628 = 22316936733
BaseRepresentation
bin10000010011100…
…11011010101100
3100112101112100110
420021303122230
5240004201003
621323500020
73250450515
oct1011633254
9315345313
10136787628
117023862a
1239987610
1322454133
1414249a0c
15c01ea03
hex82736ac

136787628 has 24 divisors (see below), whose sum is σ = 319407088. Its totient is φ = 45562176.

The previous prime is 136787621. The next prime is 136787657. The reversal of 136787628 is 826787631.

It is not an unprimeable number, because it can be changed into a prime (136787621) 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 7 ways as a sum of consecutive naturals, for example, 16950 + ... + 23682.

Almost surely, 2136787628 is an apocalyptic number.

It is an amenable number.

136787628 is an abundant number, since it is smaller than the sum of its proper divisors (182619460).

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

136787628 is a wasteful number, since it uses less digits than its factorization.

136787628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433 (or 8431 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 136787628 is about 11695.6243099717. The cubic root of 136787628 is about 515.2471594612.

The spelling of 136787628 in words is "one hundred thirty-six million, seven hundred eighty-seven thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1693 3386 5079 6733 6772 10158 13466 20199 20316 26932 40398 80796 11398969 22797938 34196907 45595876 68393814 136787628