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61051374 = 2331130581
BaseRepresentation
bin1110100011100…
…1000111101110
311020212201202000
43220321013232
5111112120444
610020313130
71340633226
oct350710756
9136781660
1061051374
113150988a
12185427a6
13c857697
148173086
15555e469
hex3a391ee

61051374 has 16 divisors (see below), whose sum is σ = 135669840. Its totient is φ = 20350440.

The previous prime is 61051363. The next prime is 61051381. The reversal of 61051374 is 47315016.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565237 + ... + 565344.

It is an arithmetic number, because the mean of its divisors is an integer number (8479365).

Almost surely, 261051374 is an apocalyptic number.

61051374 is an abundant number, since it is smaller than the sum of its proper divisors (74618466).

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

61051374 is a wasteful number, since it uses less digits than its factorization.

61051374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130592 (or 1130586 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 61051374 is about 7813.5378670612. The cubic root of 61051374 is about 393.7601974683.

It can be divided in two parts, 61051 and 374, that added together give a triangular number (61425 = T350).

The spelling of 61051374 in words is "sixty-one million, fifty-one thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 1130581 2261162 3391743 6783486 10175229 20350458 30525687 61051374