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61860668 = 2246133547
BaseRepresentation
bin1110101111111…
…0101100111100
311022101211212212
43223332230330
5111314020133
610045515552
71350543542
oct353765474
9138354785
1061860668
1131a11921
1218872bb8
13ca7bb5c
148303d92
15566e148
hex3afeb3c

61860668 has 12 divisors (see below), whose sum is σ = 108494232. Its totient is φ = 30862320.

The previous prime is 61860613. The next prime is 61860679. The reversal of 61860668 is 86606816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14930 + ... + 18617.

It is an arithmetic number, because the mean of its divisors is an integer number (9041186).

Almost surely, 261860668 is an apocalyptic number.

It is an amenable number.

61860668 is a deficient number, since it is larger than the sum of its proper divisors (46633564).

61860668 is a wasteful number, since it uses less digits than its factorization.

61860668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34012 (or 34010 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 61860668 is about 7865.1553067946. The cubic root of 61860668 is about 395.4924542111.

The spelling of 61860668 in words is "sixty-one million, eight hundred sixty thousand, six hundred sixty-eight".

Divisors: 1 2 4 461 922 1844 33547 67094 134188 15465167 30930334 61860668