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103418990 = 2517608347
BaseRepresentation
bin1100010101000…
…00110001101110
321012121020011222
412022200301232
5202433401430
614132343342
72364022043
oct612406156
9235536158
10103418990
1153417244
122a774b52
131856ca8c
14da411ca
15912c9e5
hex62a0c6e

103418990 has 16 divisors (see below), whose sum is σ = 197104752. Its totient is φ = 38934144.

The previous prime is 103418981. The next prime is 103418993. The reversal of 103418990 is 99814301.

It is a self number, because there is not a number n which added to its sum of digits gives 103418990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103418993) 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, 304004 + ... + 304343.

It is an arithmetic number, because the mean of its divisors is an integer number (12319047).

Almost surely, 2103418990 is an apocalyptic number.

103418990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103418990 is a deficient number, since it is larger than the sum of its proper divisors (93685762).

103418990 is a wasteful number, since it uses less digits than its factorization.

103418990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608371.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 103418990 is about 10169.5127710230. The cubic root of 103418990 is about 469.3895651398.

The spelling of 103418990 in words is "one hundred three million, four hundred eighteen thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 608347 1216694 3041735 6083470 10341899 20683798 51709495 103418990