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4051490725 = 521371182917
BaseRepresentation
bin1111000101111100…
…1101011110100101
3101110100121001110001
43301133031132211
531244140200400
61510005301301
7202254050212
oct36137153645
911410531401
104051490725
111799a62a47
12950a04831
134c74ac4b9
142a6118b09
1518aa46a6a
hexf17cd7a5

4051490725 has 12 divisors (see below), whose sum is σ = 5060523204. Its totient is φ = 3217531520.

The previous prime is 4051490701. The next prime is 4051490731. The reversal of 4051490725 is 5270941504.

It can be written as a sum of positive squares in 6 ways, for example, as 31169889 + 4020320836 = 5583^2 + 63406^2 .

It is not a de Polignac number, because 4051490725 - 221 = 4049393573 is a prime.

It is a super-2 number, since 2×40514907252 = 32829154189522051250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588034 + ... + 594883.

It is an arithmetic number, because the mean of its divisors is an integer number (421710267).

Almost surely, 24051490725 is an apocalyptic number.

It is an amenable number.

4051490725 is a deficient number, since it is larger than the sum of its proper divisors (1009032479).

4051490725 is a wasteful number, since it uses less digits than its factorization.

4051490725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183064 (or 1183059 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 4051490725 is about 63651.3214709640. The cubic root of 4051490725 is about 1594.1834015977.

The spelling of 4051490725 in words is "four billion, fifty-one million, four hundred ninety thousand, seven hundred twenty-five".

Divisors: 1 5 25 137 685 3425 1182917 5914585 29572925 162059629 810298145 4051490725