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61187052 = 22316093169
BaseRepresentation
bin1110100101101…
…0001111101100
311021010121212010
43221122033230
5111130441202
610023241220
71342036623
oct351321754
9137117763
1061187052
11315a1813
12185a9210
13c8a4374
1481aa6ba
15558976c
hex3a5a3ec

61187052 has 24 divisors (see below), whose sum is σ = 142903600. Its totient is φ = 20376576.

The previous prime is 61187051. The next prime is 61187053. The reversal of 61187052 is 25078116.

It is an interprime number because it is at equal distance from previous prime (61187051) and next prime (61187053).

It is not an unprimeable number, because it can be changed into a prime (61187051) 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, 17724 + ... + 20892.

Almost surely, 261187052 is an apocalyptic number.

It is an amenable number.

61187052 is an abundant number, since it is smaller than the sum of its proper divisors (81716548).

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

61187052 is a wasteful number, since it uses less digits than its factorization.

61187052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 61187052 is about 7822.2152872444. The cubic root of 61187052 is about 394.0516736748.

The spelling of 61187052 in words is "sixty-one million, one hundred eighty-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 1609 3169 3218 4827 6338 6436 9507 9654 12676 19014 19308 38028 5098921 10197842 15296763 20395684 30593526 61187052