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70021674 = 23217228829
BaseRepresentation
bin1000010110001…
…11001000101010
311212202110200100
410023013020222
5120411143144
610540450230
71510113552
oct413071052
9155673610
1070021674
1136586358
121b549976
1311678658
14942a162
156232269
hex42c722a

70021674 has 24 divisors (see below), whose sum is σ = 160638660. Its totient is φ = 21967488.

The previous prime is 70021661. The next prime is 70021687. The reversal of 70021674 is 47612007.

It is an interprime number because it is at equal distance from previous prime (70021661) and next prime (70021687).

It can be written as a sum of positive squares in 2 ways, for example, as 69605649 + 416025 = 8343^2 + 645^2 .

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 11 ways as a sum of consecutive naturals, for example, 114109 + ... + 114720.

Almost surely, 270021674 is an apocalyptic number.

70021674 is an abundant number, since it is smaller than the sum of its proper divisors (90616986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70021674 is a wasteful number, since it uses less digits than its factorization.

70021674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228854 (or 228851 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70021674 is about 8367.8954343371. The cubic root of 70021674 is about 412.1710611809.

The spelling of 70021674 in words is "seventy million, twenty-one thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 228829 457658 686487 1372974 2059461 3890093 4118922 7780186 11670279 23340558 35010837 70021674