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70442554 = 2713387047
BaseRepresentation
bin1000011001011…
…01111000111010
311220112212000111
410030231320322
5121013130204
610553454534
71513515610
oct414557072
9156485014
1070442554
1136843596
121b71144a
13117950b0
1494d96b0
1562b6d04
hex432de3a

70442554 has 16 divisors (see below), whose sum is σ = 130048128. Its totient is φ = 27867312.

The previous prime is 70442539. The next prime is 70442563. The reversal of 70442554 is 45524407.

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, 193342 + ... + 193705.

It is an arithmetic number, because the mean of its divisors is an integer number (8128008).

Almost surely, 270442554 is an apocalyptic number.

70442554 is a deficient number, since it is larger than the sum of its proper divisors (59605574).

70442554 is a wasteful number, since it uses less digits than its factorization.

70442554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387069.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 70442554 is about 8393.0062552103. The cubic root of 70442554 is about 412.9952257283.

The spelling of 70442554 in words is "seventy million, four hundred forty-two thousand, five hundred fifty-four".

Divisors: 1 2 7 13 14 26 91 182 387047 774094 2709329 5031611 5418658 10063222 35221277 70442554