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2525002749 = 327113728843
BaseRepresentation
bin1001011010000000…
…0111101111111101
320111222020102121100
42112200013233331
520132400041444
61054315323313
7116400112023
oct22640075775
96458212540
102525002749
111086330a35
125a5750539
13313174989
1419d4bc713
15eba18e69
hex96807bfd

2525002749 has 24 divisors (see below), whose sum is σ = 3725721792. Its totient is φ = 1647455040.

The previous prime is 2525002703. The next prime is 2525002771. The reversal of 2525002749 is 9472005252.

It is a happy number.

It is not a de Polignac number, because 2525002749 - 213 = 2524994557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525002789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73122 + ... + 101964.

It is an arithmetic number, because the mean of its divisors is an integer number (155238408).

Almost surely, 22525002749 is an apocalyptic number.

It is an amenable number.

2525002749 is a deficient number, since it is larger than the sum of its proper divisors (1200719043).

2525002749 is a wasteful number, since it uses less digits than its factorization.

2525002749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29057 (or 29054 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2525002749 is about 50249.4054591694. The cubic root of 2525002749 is about 1361.7183349575.

The spelling of 2525002749 in words is "two billion, five hundred twenty-five million, two thousand, seven hundred forty-nine".

Divisors: 1 3 9 71 137 213 411 639 1233 9727 28843 29181 86529 87543 259587 2047853 3951491 6143559 11854473 18430677 35563419 280555861 841667583 2525002749