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102661453 = 1746313043
BaseRepresentation
bin1100001111001…
…11110101001101
321011011202001001
412013213311031
5202240131303
614104220301
72354415346
oct607476515
9234152031
10102661453
1152a4a084
122a46a691
131836602b
14d8c50cd
15902d31d
hex61e7d4d

102661453 has 8 divisors (see below), whose sum is σ = 108943488. Its totient is φ = 96406464.

The previous prime is 102661451. The next prime is 102661457. The reversal of 102661453 is 354166201.

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 102661453 - 21 = 102661451 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 (102661451) 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, 1350 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (13617936).

Almost surely, 2102661453 is an apocalyptic number.

It is an amenable number.

102661453 is a deficient number, since it is larger than the sum of its proper divisors (6282035).

102661453 is a wasteful number, since it uses less digits than its factorization.

102661453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 102661453 is about 10132.1988235526. The cubic root of 102661453 is about 468.2406732615.

The spelling of 102661453 in words is "one hundred two million, six hundred sixty-one thousand, four hundred fifty-three".

Divisors: 1 17 463 7871 13043 221731 6038909 102661453