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78313062 = 2343303539
BaseRepresentation
bin1001010101011…
…11011001100110
312110100201022210
410222233121212
5130022004222
611434304250
71640435652
oct452573146
9173321283
1078313062
1140229843
1222288086
13132bc5b9
14a587a62
156d1dd0c
hex4aaf666

78313062 has 16 divisors (see below), whose sum is σ = 160269120. Its totient is φ = 25497192.

The previous prime is 78313061. The next prime is 78313093. The reversal of 78313062 is 26031387.

It is a super-2 number, since 2×783130622 = 12265871359631688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78313061) 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, 151512 + ... + 152027.

It is an arithmetic number, because the mean of its divisors is an integer number (10016820).

Almost surely, 278313062 is an apocalyptic number.

78313062 is an abundant number, since it is smaller than the sum of its proper divisors (81956058).

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

78313062 is a wasteful number, since it uses less digits than its factorization.

78313062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303587.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 78313062 is about 8849.4667635966. The cubic root of 78313062 is about 427.8367320609.

The spelling of 78313062 in words is "seventy-eight million, three hundred thirteen thousand, sixty-two".

Divisors: 1 2 3 6 43 86 129 258 303539 607078 910617 1821234 13052177 26104354 39156531 78313062