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3000640525 = 52947126743
BaseRepresentation
bin1011001011011010…
…0010010000001101
321202010020022222021
42302312202100031
522121130444100
61213430050141
7134234011051
oct26266422015
97663208867
103000640525
1112aa868703
126b8aa9951
1338a879c4c
14206731c61
1512866da1a
hexb2da240d

3000640525 has 12 divisors (see below), whose sum is σ = 3724752672. Its totient is φ = 2397958640.

The previous prime is 3000640463. The next prime is 3000640547. The reversal of 3000640525 is 5250460003.

It is not a de Polignac number, because 3000640525 - 231 = 853156877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3000640525.

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, 39697 + ... + 87046.

It is an arithmetic number, because the mean of its divisors is an integer number (310396056).

Almost surely, 23000640525 is an apocalyptic number.

It is an amenable number.

3000640525 is a deficient number, since it is larger than the sum of its proper divisors (724112147).

3000640525 is a wasteful number, since it uses less digits than its factorization.

3000640525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127700 (or 127695 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3000640525 is about 54778.1026049643. The cubic root of 3000640525 is about 1442.3522071038.

The spelling of 3000640525 in words is "three billion, six hundred forty thousand, five hundred twenty-five".

Divisors: 1 5 25 947 4735 23675 126743 633715 3168575 120025621 600128105 3000640525