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78263032 = 239782879
BaseRepresentation
bin1001010101000…
…11001011111000
312110021011200211
410222203023320
5130013404112
611433240504
71640140051
oct452431370
9173234624
1078263032
11401a51a1
1222263134
13132a28b3
14a573728
156d0e0a7
hex4aa32f8

78263032 has 8 divisors (see below), whose sum is σ = 146743200. Its totient is φ = 39131512.

The previous prime is 78263027. The next prime is 78263041. The reversal of 78263032 is 23036287.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×782630322 = 12250204355666048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78262985 and 78263003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4891432 + ... + 4891447.

It is an arithmetic number, because the mean of its divisors is an integer number (18342900).

Almost surely, 278263032 is an apocalyptic number.

It is an amenable number.

78263032 is a deficient number, since it is larger than the sum of its proper divisors (68480168).

78263032 is a wasteful number, since it uses less digits than its factorization.

78263032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782885 (or 9782881 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 78263032 is about 8846.6395880018. The cubic root of 78263032 is about 427.7456053664.

The spelling of 78263032 in words is "seventy-eight million, two hundred sixty-three thousand, thirty-two".

Divisors: 1 2 4 8 9782879 19565758 39131516 78263032