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61327856 = 244781553
BaseRepresentation
bin1110100111110…
…0100111110000
311021101210000002
43221330213300
5111144442411
610030245132
71343164262
oct351744760
9137353002
1061327856
1131688587
12186567a8
13c923495
148205b32
1555b633b
hex3a7c9f0

61327856 has 20 divisors (see below), whose sum is σ = 121352352. Its totient is φ = 30011136.

The previous prime is 61327817. The next prime is 61327859. The reversal of 61327856 is 65872316.

It is a super-2 number, since 2×613278562 = 7522211843113472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61327859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40025 + ... + 41528.

Almost surely, 261327856 is an apocalyptic number.

It is an amenable number.

61327856 is a deficient number, since it is larger than the sum of its proper divisors (60024496).

61327856 is a wasteful number, since it uses less digits than its factorization.

61327856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81608 (or 81602 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 61327856 is about 7831.2103789900. The cubic root of 61327856 is about 394.3537067809.

The spelling of 61327856 in words is "sixty-one million, three hundred twenty-seven thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 47 94 188 376 752 81553 163106 326212 652424 1304848 3832991 7665982 15331964 30663928 61327856