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151425725 = 52111973397
BaseRepresentation
bin10010000011010…
…01001010111101
3101112221020001012
421001221022331
5302231110400
623005325005
73516045263
oct1101511275
9345836035
10151425725
1178526430
1242866765
13254aab29
141617a433
15d461d35
hex90692bd

151425725 has 48 divisors (see below), whose sum is σ = 219122880. Its totient is φ = 102643200.

The previous prime is 151425713. The next prime is 151425727. The reversal of 151425725 is 527524151.

It is not a de Polignac number, because 151425725 - 24 = 151425709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151425691 and 151425700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151425727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381227 + ... + 381623.

It is an arithmetic number, because the mean of its divisors is an integer number (4565060).

Almost surely, 2151425725 is an apocalyptic number.

It is an amenable number.

151425725 is a deficient number, since it is larger than the sum of its proper divisors (67697155).

151425725 is a wasteful number, since it uses less digits than its factorization.

151425725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 505 counting only the distinct ones).

The product of its digits is 14000, while the sum is 32.

The square root of 151425725 is about 12305.5160395653. The cubic root of 151425725 is about 533.0073778675.

Adding to 151425725 its reverse (527524151), we get a palindrome (678949876).

The spelling of 151425725 in words is "one hundred fifty-one million, four hundred twenty-five thousand, seven hundred twenty-five".

Divisors: 1 5 11 19 25 55 73 95 209 275 365 397 475 803 1045 1387 1825 1985 4015 4367 5225 6935 7543 9925 15257 20075 21835 28981 34675 37715 76285 82973 109175 144905 188575 318791 381425 414865 550639 724525 1593955 2074325 2753195 6057029 7969775 13765975 30285145 151425725