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70068448 = 252189639
BaseRepresentation
bin1000010110100…
…10100011100000
311212211211211201
410023102203200
5120414142243
610541450544
71510400122
oct413224340
9155754751
1070068448
113660850a
121b570a54
1311693a28
14943d212
15624104d
hex42d28e0

70068448 has 12 divisors (see below), whose sum is σ = 137947320. Its totient is φ = 35034208.

The previous prime is 70068433. The next prime is 70068451. The reversal of 70068448 is 84486007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094788 + ... + 1094851.

It is an arithmetic number, because the mean of its divisors is an integer number (11495610).

Almost surely, 270068448 is an apocalyptic number.

It is an amenable number.

70068448 is a deficient number, since it is larger than the sum of its proper divisors (67878872).

70068448 is a wasteful number, since it uses less digits than its factorization.

70068448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189649 (or 2189641 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 70068448 is about 8370.6898162577. The cubic root of 70068448 is about 412.2628165712.

The spelling of 70068448 in words is "seventy million, sixty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 2189639 4379278 8758556 17517112 35034224 70068448