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1402149925 = 52115239749
BaseRepresentation
bin101001110010011…
…0001110000100101
310121201101121002201
41103210301300211
510332422244200
6351044534501
746514035441
oct12344616045
93551347081
101402149925
1165a527aa0
123316b1431
13194652217
14d4311821
158316bc6a
hex53931c25

1402149925 has 24 divisors (see below), whose sum is σ = 1900548000. Its totient is φ = 1017691200.

The previous prime is 1402149829. The next prime is 1402149929. The reversal of 1402149925 is 5299412041.

It is a de Polignac number, because none of the positive numbers 2k-1402149925 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402149929) 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, 138951 + ... + 148699.

It is an arithmetic number, because the mean of its divisors is an integer number (79189500).

Almost surely, 21402149925 is an apocalyptic number.

It is an amenable number.

1402149925 is a deficient number, since it is larger than the sum of its proper divisors (498398075).

1402149925 is a wasteful number, since it uses less digits than its factorization.

1402149925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10293 (or 10288 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1402149925 is about 37445.2924277539. The cubic root of 1402149925 is about 1119.2612914231.

The spelling of 1402149925 in words is "one billion, four hundred two million, one hundred forty-nine thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 523 2615 5753 9749 13075 28765 48745 107239 143825 243725 536195 2680975 5098727 25493635 56085997 127468175 280429985 1402149925