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101390525 = 52291071307
BaseRepresentation
bin1100000101100…
…01100010111101
321001210011122122
412002301202331
5201423444100
614021052325
72340543125
oct602614275
9231704578
10101390525
1152261225
1229b570a5
131800c6c2
14d673c85
158d7b985
hex60b18bd

101390525 has 24 divisors (see below), whose sum is σ = 131375520. Its totient is φ = 77524160.

The previous prime is 101390521. The next prime is 101390539. The reversal of 101390525 is 525093101.

It is not a de Polignac number, because 101390525 - 22 = 101390521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101390494 and 101390503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101390521) 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 23 ways as a sum of consecutive naturals, for example, 76922 + ... + 78228.

It is an arithmetic number, because the mean of its divisors is an integer number (5473980).

Almost surely, 2101390525 is an apocalyptic number.

It is an amenable number.

101390525 is a deficient number, since it is larger than the sum of its proper divisors (29984995).

101390525 is a wasteful number, since it uses less digits than its factorization.

101390525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 101390525 is about 10069.2862209791. The cubic root of 101390525 is about 466.3004028053.

The spelling of 101390525 in words is "one hundred one million, three hundred ninety thousand, five hundred twenty-five".

Divisors: 1 5 25 29 107 145 535 725 1307 2675 3103 6535 15515 32675 37903 77575 139849 189515 699245 947575 3496225 4055621 20278105 101390525