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61164830 = 2523326251
BaseRepresentation
bin1110100101010…
…0110100011110
311021002111101002
43221110310132
5111124233310
610022550302
71341615056
oct351246436
9137074332
1061164830
1131587051
1218598392
13c89720c
1481a2566
155582da5
hex3a54d1e

61164830 has 16 divisors (see below), whose sum is σ = 110573424. Its totient is φ = 24360000.

The previous prime is 61164823. The next prime is 61164847. The reversal of 61164830 is 3846116.

It is a super-2 number, since 2×611648302 = 7482272857857800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61164793 and 61164802.

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, 10796 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (6910839).

Almost surely, 261164830 is an apocalyptic number.

61164830 is a deficient number, since it is larger than the sum of its proper divisors (49408594).

61164830 is a wasteful number, since it uses less digits than its factorization.

61164830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26491.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61164830 is about 7820.7947166512. The cubic root of 61164830 is about 394.0039638173.

The spelling of 61164830 in words is "sixty-one million, one hundred sixty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 233 466 1165 2330 26251 52502 131255 262510 6116483 12232966 30582415 61164830