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102045660 = 22351700761
BaseRepresentation
bin1100001010100…
…01011111011100
321010000110022220
412011101133130
5202110430120
614043105340
72346242133
oct605213734
9233013286
10102045660
1152669462
122a212250
13181ab962
14d7a491a
158e5ab40
hex61517dc

102045660 has 24 divisors (see below), whose sum is σ = 285728016. Its totient is φ = 27212160.

The previous prime is 102045659. The next prime is 102045677. The reversal of 102045660 is 66540201.

It is a super-3 number, since 3×1020456603 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102045660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850321 + ... + 850440.

It is an arithmetic number, because the mean of its divisors is an integer number (11905334).

Almost surely, 2102045660 is an apocalyptic number.

102045660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102045660 is an abundant number, since it is smaller than the sum of its proper divisors (183682356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102045660 is a wasteful number, since it uses less digits than its factorization.

102045660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700773 (or 1700771 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 102045660 is about 10101.7651922820. The cubic root of 102045660 is about 467.3025809088.

Adding to 102045660 its reverse (66540201), we get a palindrome (168585861).

The spelling of 102045660 in words is "one hundred two million, forty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1700761 3401522 5102283 6803044 8503805 10204566 17007610 20409132 25511415 34015220 51022830 102045660