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105136554 = 2397180647
BaseRepresentation
bin1100100010001…
…00000110101010
321022211111020110
412101010012222
5203403332204
614233235150
72414434365
oct621040652
9238744213
10105136554
115438a716
122b262ab6
1318a217a3
14dd6b0dc
15936b889
hex64441aa

105136554 has 16 divisors (see below), whose sum is σ = 212442048. Its totient is φ = 34684032.

The previous prime is 105136553. The next prime is 105136579. The reversal of 105136554 is 455631501.

It is a super-2 number, since 2×1051365542 = 22107389973989832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105136553) 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, 89742 + ... + 90905.

It is an arithmetic number, because the mean of its divisors is an integer number (13277628).

Almost surely, 2105136554 is an apocalyptic number.

105136554 is an abundant number, since it is smaller than the sum of its proper divisors (107305494).

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

105136554 is a wasteful number, since it uses less digits than its factorization.

105136554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180749.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 105136554 is about 10253.6117539138. The cubic root of 105136554 is about 471.9738237183.

The spelling of 105136554 in words is "one hundred five million, one hundred thirty-six thousand, five hundred fifty-four".

Divisors: 1 2 3 6 97 194 291 582 180647 361294 541941 1083882 17522759 35045518 52568277 105136554