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78314061 = 373729241
BaseRepresentation
bin1001010101011…
…11101001001101
312110100202200210
410222233221031
5130022022221
611434313033
71640441610
oct452575115
9173322623
1078314061
114022a571
1222288779
13132bcba7
14a588177
156d1e276
hex4aafa4d

78314061 has 8 divisors (see below), whose sum is σ = 119335744. Its totient is φ = 44750880.

The previous prime is 78314039. The next prime is 78314077. The reversal of 78314061 is 16041387.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78314061 - 26 = 78313997 is a prime.

It is a super-2 number, since 2×783140612 = 12266184300623442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78314021) 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, 1864600 + ... + 1864641.

It is an arithmetic number, because the mean of its divisors is an integer number (14916968).

Almost surely, 278314061 is an apocalyptic number.

It is an amenable number.

78314061 is a deficient number, since it is larger than the sum of its proper divisors (41021683).

78314061 is a wasteful number, since it uses less digits than its factorization.

78314061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729251.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 78314061 is about 8849.5232074954. The cubic root of 78314061 is about 427.8385512852.

The spelling of 78314061 in words is "seventy-eight million, three hundred fourteen thousand, sixty-one".

Divisors: 1 3 7 21 3729241 11187723 26104687 78314061