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103662689 = 1319419687
BaseRepresentation
bin1100010110111…
…00010001100001
321020001121110212
412023130101201
5203014201224
614141503505
72366055404
oct613342141
9236047425
10103662689
1153573349
122a871b95
1318626990
14daa5d3b
159179d0e
hex62dc461

103662689 has 8 divisors (see below), whose sum is σ = 117512640. Its totient is φ = 90652176.

The previous prime is 103662673. The next prime is 103662707. The reversal of 103662689 is 986266301.

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 103662689 - 24 = 103662673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103662619) 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, 209597 + ... + 210090.

It is an arithmetic number, because the mean of its divisors is an integer number (14689080).

Almost surely, 2103662689 is an apocalyptic number.

103662689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103662689 is a deficient number, since it is larger than the sum of its proper divisors (13849951).

103662689 is a wasteful number, since it uses less digits than its factorization.

103662689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419719.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 103662689 is about 10181.4875632198. The cubic root of 103662689 is about 469.7579695460.

The spelling of 103662689 in words is "one hundred three million, six hundred sixty-two thousand, six hundred eighty-nine".

Divisors: 1 13 19 247 419687 5455931 7974053 103662689