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61093157 = 314171677
BaseRepresentation
bin1110100100001…
…1010100100101
311020221212001112
43221003110211
5111114440112
610021234405
71341166106
oct351032445
9136855045
1061093157
1131538214
1218562a05
13c8706c8
1481843ad
15556ba22
hex3a43525

61093157 has 16 divisors (see below), whose sum is σ = 65608704. Its totient is φ = 56784000.

The previous prime is 61093127. The next prime is 61093159. The reversal of 61093157 is 75139016.

It is a cyclic number.

It is not a de Polignac number, because 61093157 - 26 = 61093093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61093159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89903 + ... + 90579.

It is an arithmetic number, because the mean of its divisors is an integer number (4100544).

Almost surely, 261093157 is an apocalyptic number.

It is an amenable number.

61093157 is a deficient number, since it is larger than the sum of its proper divisors (4515547).

61093157 is a wasteful number, since it uses less digits than its factorization.

61093157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 61093157 is about 7816.2111665435. The cubic root of 61093157 is about 393.8500056051.

The spelling of 61093157 in words is "sixty-one million, ninety-three thousand, one hundred fifty-seven".

Divisors: 1 31 41 71 677 1271 2201 2911 20987 27757 48067 90241 860467 1490077 1970747 61093157