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70228075 = 5215971759
BaseRepresentation
bin1000010111110…
…01100001101011
311220010221210211
410023321201223
5120434244300
610545121551
71511633401
oct413714153
9156127724
1070228075
1136707435
121b6292b7
131171b598
149481471
1562734ba
hex42f986b

70228075 has 12 divisors (see below), whose sum is σ = 87186880. Its totient is φ = 56115360.

The previous prime is 70228069. The next prime is 70228091. The reversal of 70228075 is 57082207.

It is a de Polignac number, because none of the positive numbers 2k-70228075 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39046 + ... + 40804.

Almost surely, 270228075 is an apocalyptic number.

70228075 is a deficient number, since it is larger than the sum of its proper divisors (16958805).

70228075 is a wasteful number, since it uses less digits than its factorization.

70228075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70228075 is about 8380.2192692077. The cubic root of 70228075 is about 412.5756457535.

The spelling of 70228075 in words is "seventy million, two hundred twenty-eight thousand, seventy-five".

Divisors: 1 5 25 1597 1759 7985 8795 39925 43975 2809123 14045615 70228075