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70801478 = 2114374843
BaseRepresentation
bin1000011100001…
…01100001000110
311221020002100222
410032011201012
5121111121403
611005304342
71516542206
oct416054106
9157202328
1070801478
1136a69220
121b8650b2
131188c587
149590406
156338338
hex4385846

70801478 has 16 divisors (see below), whose sum is σ = 118552896. Its totient is φ = 31433640.

The previous prime is 70801433. The next prime is 70801483. The reversal of 70801478 is 87410807.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36476 + ... + 38367.

It is an arithmetic number, because the mean of its divisors is an integer number (7409556).

Almost surely, 270801478 is an apocalyptic number.

70801478 is a deficient number, since it is larger than the sum of its proper divisors (47751418).

70801478 is a wasteful number, since it uses less digits than its factorization.

70801478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74899.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 70801478 is about 8414.3614136784. The cubic root of 70801478 is about 413.6954788009.

It can be divided in two parts, 7080 and 1478, that added together give a palindrome (8558).

The spelling of 70801478 in words is "seventy million, eight hundred one thousand, four hundred seventy-eight".

Divisors: 1 2 11 22 43 86 473 946 74843 149686 823273 1646546 3218249 6436498 35400739 70801478