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2500225049 = 72145335117
BaseRepresentation
bin1001010100000110…
…0110100000011001
320110020121120222202
42111001212200121
520110024200144
61052032255545
7115646363600
oct22501464031
96406546882
102500225049
1110733480a3
125993a15b5
1330acaaa0a
1419a0aca37
15e977264e
hex95066819

2500225049 has 12 divisors (see below), whose sum is σ = 2910509604. Its totient is φ = 2141514144.

The previous prime is 2500225033. The next prime is 2500225069. The reversal of 2500225049 is 9405220052.

It can be written as a sum of positive squares in 2 ways, for example, as 1081949449 + 1418275600 = 32893^2 + 37660^2 .

It is not a de Polignac number, because 2500225049 - 24 = 2500225033 is a prime.

It is a super-2 number, since 2×25002250492 = 12502250591294104802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500225009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53639 + ... + 88755.

It is an arithmetic number, because the mean of its divisors is an integer number (242542467).

Almost surely, 22500225049 is an apocalyptic number.

It is an amenable number.

2500225049 is a deficient number, since it is larger than the sum of its proper divisors (410284555).

2500225049 is a wasteful number, since it uses less digits than its factorization.

2500225049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584 (or 36577 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2500225049 is about 50002.2504393552. The cubic root of 2500225049 is about 1357.2495322068.

The spelling of 2500225049 in words is "two billion, five hundred million, two hundred twenty-five thousand, forty-nine".

Divisors: 1 7 49 1453 10171 35117 71197 245819 1720733 51025001 357175007 2500225049