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78714970 = 2523342239
BaseRepresentation
bin1001011000100…
…01100001011010
312111010010122021
410230101201122
5130122334340
611451045054
71644031465
oct454214132
9174103567
1078714970
11404837a4
122244078a
1313400509
14a6502dc
156d9ce4a
hex4b1185a

78714970 has 16 divisors (see below), whose sum is σ = 147847680. Its totient is φ = 30116944.

The previous prime is 78714943. The next prime is 78714997. The reversal of 78714970 is 7941787.

It is an interprime number because it is at equal distance from previous prime (78714943) and next prime (78714997).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170890 + ... + 171349.

It is an arithmetic number, because the mean of its divisors is an integer number (9240480).

Almost surely, 278714970 is an apocalyptic number.

78714970 is a deficient number, since it is larger than the sum of its proper divisors (69132710).

78714970 is a wasteful number, since it uses less digits than its factorization.

78714970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342269.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 78714970 is about 8872.1457382079. The cubic root of 78714970 is about 428.5673793797.

The spelling of 78714970 in words is "seventy-eight million, seven hundred fourteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 342239 684478 1711195 3422390 7871497 15742994 39357485 78714970