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136461954 = 23214310613
BaseRepresentation
bin10000010001000…
…11111010000010
3100111202222121110
420020203322002
5234413240304
621312504150
73244623156
oct1010437202
9314688543
10136461954
1170035982
123984b056
132236bb25
14141a3066
15bea8289
hex8223e82

136461954 has 16 divisors (see below), whose sum is σ = 273076992. Its totient is φ = 45461808.

The previous prime is 136461943. The next prime is 136461959. The reversal of 136461954 is 459164631.

It is not an unprimeable number, because it can be changed into a prime (136461959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7552 + ... + 18164.

It is an arithmetic number, because the mean of its divisors is an integer number (17067312).

Almost surely, 2136461954 is an apocalyptic number.

136461954 is an abundant number, since it is smaller than the sum of its proper divisors (136615038).

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

136461954 is a wasteful number, since it uses less digits than its factorization.

136461954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761.

The product of its digits is 77760, while the sum is 39.

The square root of 136461954 is about 11681.6931135859. The cubic root of 136461954 is about 514.8379217873.

The spelling of 136461954 in words is "one hundred thirty-six million, four hundred sixty-one thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 2143 4286 6429 10613 12858 21226 31839 63678 22743659 45487318 68230977 136461954