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102957419 = 5913212
BaseRepresentation
bin1100010001100…
…00000101101011
321011201210000202
412020300011223
5202324114134
614114422415
72360060255
oct610600553
9234653022
10102957419
1153131484
122a591a0b
131843a966
14d960cd5
15908ad7e
hex623016b

102957419 has 6 divisors (see below), whose sum is σ = 104781780. Its totient is φ = 101135760.

The previous prime is 102957403. The next prime is 102957427. The reversal of 102957419 is 914759201.

It is not a de Polignac number, because 102957419 - 24 = 102957403 is a prime.

It is a super-2 number, since 2×1029574192 = 21200460254283122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102957719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77279 + ... + 78599.

It is an arithmetic number, because the mean of its divisors is an integer number (17463630).

Almost surely, 2102957419 is an apocalyptic number.

102957419 is a deficient number, since it is larger than the sum of its proper divisors (1824361).

102957419 is an frugal number, since it uses more digits than its factorization.

102957419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 102957419 is about 10146.7935329344. The cubic root of 102957419 is about 468.6902102348.

The spelling of 102957419 in words is "one hundred two million, nine hundred fifty-seven thousand, four hundred nineteen".

Divisors: 1 59 1321 77939 1745041 102957419