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70899448 = 238862431
BaseRepresentation
bin1000011100111…
…01011011111000
311221102001202111
410032131123320
5121122240243
611011342104
71520430634
oct416353370
9157361674
1070899448
1137025894
121b8b1934
13118c5049
1495b7dc4
15635739d
hex439d6f8

70899448 has 8 divisors (see below), whose sum is σ = 132936480. Its totient is φ = 35449720.

The previous prime is 70899407. The next prime is 70899457. The reversal of 70899448 is 84499807.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4431208 + ... + 4431223.

It is an arithmetic number, because the mean of its divisors is an integer number (16617060).

Almost surely, 270899448 is an apocalyptic number.

It is an amenable number.

70899448 is a deficient number, since it is larger than the sum of its proper divisors (62037032).

70899448 is a wasteful number, since it uses less digits than its factorization.

70899448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862437 (or 8862433 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 70899448 is about 8420.1809956794. The cubic root of 70899448 is about 413.8862048869.

The spelling of 70899448 in words is "seventy million, eight hundred ninety-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 8 8862431 17724862 35449724 70899448