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102061253 = 714580179
BaseRepresentation
bin1100001010101…
…01010011000101
321010001020201102
412011111103011
5202111430003
614043305445
72346335450
oct605252305
9233036642
10102061253
115267a148
122a21b285
13181b5a98
14d7aa497
158e60588
hex61554c5

102061253 has 4 divisors (see below), whose sum is σ = 116641440. Its totient is φ = 87481068.

The previous prime is 102061241. The next prime is 102061279. The reversal of 102061253 is 352160201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102061253 - 218 = 101799109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102061283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7290083 + ... + 7290096.

It is an arithmetic number, because the mean of its divisors is an integer number (29160360).

Almost surely, 2102061253 is an apocalyptic number.

It is an amenable number.

102061253 is a deficient number, since it is larger than the sum of its proper divisors (14580187).

102061253 is an equidigital number, since it uses as much as digits as its factorization.

102061253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580186.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102061253 is about 10102.5369586060. The cubic root of 102061253 is about 467.3263816206.

The spelling of 102061253 in words is "one hundred two million, sixty-one thousand, two hundred fifty-three".

Divisors: 1 7 14580179 102061253