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102145535 = 5109187423
BaseRepresentation
bin1100001011010…
…01110111111111
321010012112022222
412011221313333
5202122124120
614045155555
72350136252
oct605516777
9233175288
10102145535
11527274a8
122a25bbbb
131821525b
14d7cd099
158e7a525
hex6169dff

102145535 has 8 divisors (see below), whose sum is σ = 123699840. Its totient is φ = 80966304.

The previous prime is 102145531. The next prime is 102145541. The reversal of 102145535 is 535541201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102145535 - 22 = 102145531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102145531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93167 + ... + 94256.

It is an arithmetic number, because the mean of its divisors is an integer number (15462480).

Almost surely, 2102145535 is an apocalyptic number.

102145535 is a deficient number, since it is larger than the sum of its proper divisors (21554305).

102145535 is a wasteful number, since it uses less digits than its factorization.

102145535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187537.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 102145535 is about 10106.7074262591. The cubic root of 102145535 is about 467.4549853233.

Adding to 102145535 its reverse (535541201), we get a palindrome (637686736).

The spelling of 102145535 in words is "one hundred two million, one hundred forty-five thousand, five hundred thirty-five".

Divisors: 1 5 109 545 187423 937115 20429107 102145535