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70383478 = 2113199249
BaseRepresentation
bin1000011000111…
…11011101110110
311220102211222111
410030133131312
5121004232403
610552321234
71513151434
oct414373566
9156384874
1070383478
1136803170
121b6a321a
1311774239
1494c1d54
1562a456d
hex431f776

70383478 has 8 divisors (see below), whose sum is σ = 115173000. Its totient is φ = 31992480.

The previous prime is 70383463. The next prime is 70383497. The reversal of 70383478 is 87438307.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70383478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599603 + ... + 1599646.

It is an arithmetic number, because the mean of its divisors is an integer number (14396625).

Almost surely, 270383478 is an apocalyptic number.

70383478 is a deficient number, since it is larger than the sum of its proper divisors (44789522).

70383478 is a wasteful number, since it uses less digits than its factorization.

70383478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199262.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 70383478 is about 8389.4861582817. The cubic root of 70383478 is about 412.8797418900.

The spelling of 70383478 in words is "seventy million, three hundred eighty-three thousand, four hundred seventy-eight".

Divisors: 1 2 11 22 3199249 6398498 35191739 70383478