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103680919 = 374759621
BaseRepresentation
bin1100010111000…
…00101110010111
321020002112111001
412023200232113
5203020242134
614142124131
72366162506
oct613405627
9236075431
10103680919
1153586011
122a880647
1318632074
14daac83d
159180414
hex62e0b97

103680919 has 8 divisors (see below), whose sum is σ = 108750528. Its totient is φ = 98730720.

The previous prime is 103680911. The next prime is 103680931. The reversal of 103680919 is 919086301.

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 103680919 - 23 = 103680911 is a prime.

It is a super-2 number, since 2×1036809192 = 21499465929369122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103680911) 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, 28072 + ... + 31549.

It is an arithmetic number, because the mean of its divisors is an integer number (13593816).

Almost surely, 2103680919 is an apocalyptic number.

103680919 is a deficient number, since it is larger than the sum of its proper divisors (5069609).

103680919 is an equidigital number, since it uses as much as digits as its factorization.

103680919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59705.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 103680919 is about 10182.3827761482. The cubic root of 103680919 is about 469.7855049622.

The spelling of 103680919 in words is "one hundred three million, six hundred eighty thousand, nine hundred nineteen".

Divisors: 1 37 47 1739 59621 2205977 2802187 103680919