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2920840464 = 24360850843
BaseRepresentation
bin1010111000011000…
…0111110100010000
321112120002001212110
42232012013310100
521440213343324
61201455425320
7132244506603
oct25606076420
97476061773
102920840464
111269813743
12696225240
13377189889
141d9cbc33a
15121659329
hexae187d10

2920840464 has 20 divisors (see below), whose sum is σ = 7545504656. Its totient is φ = 973613472.

The previous prime is 2920840423. The next prime is 2920840501. The reversal of 2920840464 is 4640480292.

It is a super-2 number, since 2×29208404642 = 17062618032279470592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30425374 + ... + 30425469.

Almost surely, 22920840464 is an apocalyptic number.

2920840464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2920840464 is an abundant number, since it is smaller than the sum of its proper divisors (4624664192).

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

2920840464 is a wasteful number, since it uses less digits than its factorization.

2920840464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60850854 (or 60850848 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2920840464 is about 54044.8005269702. The cubic root of 2920840464 is about 1429.4510198133.

The spelling of 2920840464 in words is "two billion, nine hundred twenty million, eight hundred forty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 60850843 121701686 182552529 243403372 365105058 486806744 730210116 973613488 1460420232 2920840464