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2900428581 = 33372868871
BaseRepresentation
bin1010110011100001…
…0000011100100101
321111010200001000210
42230320100130211
521420002203311
61155450130033
7131606144001
oct25470203445
97433601023
102900428581
111259241a16
1268b420919
13372b90b3b
141d72c7701
1511e9763a6
hexace10725

2900428581 has 8 divisors (see below), whose sum is σ = 3878714944. Its totient is φ = 1927880640.

The previous prime is 2900428571. The next prime is 2900428621. The reversal of 2900428581 is 1858240092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2900428581 - 217 = 2900297509 is a prime.

It is a super-2 number, since 2×29004285812 = 16824971906963347122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900428571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433425 + ... + 1435446.

It is an arithmetic number, because the mean of its divisors is an integer number (484839368).

Almost surely, 22900428581 is an apocalyptic number.

It is an amenable number.

2900428581 is a deficient number, since it is larger than the sum of its proper divisors (978286363).

2900428581 is a wasteful number, since it uses less digits than its factorization.

2900428581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869211.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2900428581 is about 53855.6271990216. The cubic root of 2900428581 is about 1426.1133936818.

The spelling of 2900428581 in words is "two billion, nine hundred million, four hundred twenty-eight thousand, five hundred eighty-one".

Divisors: 1 3 337 1011 2868871 8606613 966809527 2900428581