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61107933 = 3196311699
BaseRepresentation
bin1110100100011…
…0111011011101
311020222121022210
43221012323131
5111120423213
610021431033
71341260145
oct351067335
9136877283
1061107933
1131548327
121856b479
13c877353
148189925
1555710c3
hex3a46edd

61107933 has 16 divisors (see below), whose sum is σ = 85952000. Its totient is φ = 38510640.

The previous prime is 61107931. The next prime is 61107973. The reversal of 61107933 is 33970116.

It is not a de Polignac number, because 61107933 - 21 = 61107931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61107933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61107931) 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, 35118 + ... + 36816.

It is an arithmetic number, because the mean of its divisors is an integer number (5372000).

Almost surely, 261107933 is an apocalyptic number.

It is an amenable number.

61107933 is a deficient number, since it is larger than the sum of its proper divisors (24844067).

61107933 is a wasteful number, since it uses less digits than its factorization.

61107933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 61107933 is about 7817.1563243932. The cubic root of 61107933 is about 393.8817552525.

The spelling of 61107933 in words is "sixty-one million, one hundred seven thousand, nine hundred thirty-three".

Divisors: 1 3 19 57 631 1699 1893 5097 11989 32281 35967 96843 1072069 3216207 20369311 61107933