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102090653 = 714584379
BaseRepresentation
bin1100001010111…
…00011110011101
321010002202001022
412011130132131
5202113400103
614044053525
72346520250
oct605343635
9233082038
10102090653
115269a245
122a2342a5
13181c6292
14d7b7097
158e69138
hex615c79d

102090653 has 4 divisors (see below), whose sum is σ = 116675040. Its totient is φ = 87506268.

The previous prime is 102090617. The next prime is 102090683. The reversal of 102090653 is 356090201.

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 102090653 - 26 = 102090589 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 (102090683) 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, 7292183 + ... + 7292196.

It is an arithmetic number, because the mean of its divisors is an integer number (29168760).

Almost surely, 2102090653 is an apocalyptic number.

It is an amenable number.

102090653 is a deficient number, since it is larger than the sum of its proper divisors (14584387).

102090653 is an equidigital number, since it uses as much as digits as its factorization.

102090653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14584386.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 102090653 is about 10103.9919338843. The cubic root of 102090653 is about 467.3712503511.

The spelling of 102090653 in words is "one hundred two million, ninety thousand, six hundred fifty-three".

Divisors: 1 7 14584379 102090653