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8973891448 = 231121736431
BaseRepresentation
bin10000101101110001…
…01011011101111000
3212011101221220210221
420112320223131320
5121334304011243
64042245345424
7435244550554
oct102670533570
925141856727
108973891448
113895589515
1218a5408274
13b0023b652
14611b7a864
15377c70bed
hex216e2b778

8973891448 has 8 divisors (see below), whose sum is σ = 16826046480. Its totient is φ = 4486945720.

The previous prime is 8973891431. The next prime is 8973891461. The reversal of 8973891448 is 8441983798.

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, 560868208 + ... + 560868223.

It is an arithmetic number, because the mean of its divisors is an integer number (2103255810).

Almost surely, 28973891448 is an apocalyptic number.

It is an amenable number.

8973891448 is a deficient number, since it is larger than the sum of its proper divisors (7852155032).

8973891448 is a wasteful number, since it uses less digits than its factorization.

8973891448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121736437 (or 1121736433 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 61.

The square root of 8973891448 is about 94730.6257131241. The cubic root of 8973891448 is about 2078.0704683715.

The spelling of 8973891448 in words is "eight billion, nine hundred seventy-three million, eight hundred ninety-one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 1121736431 2243472862 4486945724 8973891448