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136925420 = 2256846271
BaseRepresentation
bin10000010100101…
…01000011101100
3100112122112100212
420022111003230
5240023103140
621330441552
73251563322
oct1012250354
9315575325
10136925420
1170322105
1239a332b8
13224a1a78
1414283d12
15c04a765
hex82950ec

136925420 has 12 divisors (see below), whose sum is σ = 287543424. Its totient is φ = 54770160.

The previous prime is 136925401. The next prime is 136925423. The reversal of 136925420 is 24529631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136925423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3423116 + ... + 3423155.

It is an arithmetic number, because the mean of its divisors is an integer number (23961952).

Almost surely, 2136925420 is an apocalyptic number.

136925420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136925420 is an abundant number, since it is smaller than the sum of its proper divisors (150618004).

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

136925420 is a wasteful number, since it uses less digits than its factorization.

136925420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846280 (or 6846278 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 136925420 is about 11701.5135773113. The cubic root of 136925420 is about 515.4201115318.

The spelling of 136925420 in words is "one hundred thirty-six million, nine hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6846271 13692542 27385084 34231355 68462710 136925420