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103028919 = 372700877
BaseRepresentation
bin1100010010000…
…01100010110111
321011212102002220
412021001202313
5202333411134
614120133423
72360505600
oct611014267
9234772086
10103028919
1153180174
122a607273
1318464376
14d97cda7
1590a2149
hex62418b7

103028919 has 12 divisors (see below), whose sum is σ = 159800184. Its totient is φ = 58873584.

The previous prime is 103028917. The next prime is 103028923. The reversal of 103028919 is 919820301.

It is not a de Polignac number, because 103028919 - 21 = 103028917 is a prime.

It is a super-2 number, since 2×1030289192 = 21229916300617122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103028919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103028911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350292 + ... + 350585.

It is an arithmetic number, because the mean of its divisors is an integer number (13316682).

Almost surely, 2103028919 is an apocalyptic number.

103028919 is a deficient number, since it is larger than the sum of its proper divisors (56771265).

103028919 is an equidigital number, since it uses as much as digits as its factorization.

103028919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700894 (or 700887 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 103028919 is about 10150.3162019712. The cubic root of 103028919 is about 468.7986809531.

The spelling of 103028919 in words is "one hundred three million, twenty-eight thousand, nine hundred nineteen".

Divisors: 1 3 7 21 49 147 700877 2102631 4906139 14718417 34342973 103028919