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105384280 = 2352634607
BaseRepresentation
bin1100100100000…
…00100101011000
321100022002001111
412102000211120
5203434244110
614242430104
72416515541
oct622004530
9240262044
10105384280
1154539851
122b362334
1318aaa481
14ddd34c8
1593b9e8a
hex6480958

105384280 has 16 divisors (see below), whose sum is σ = 237114720. Its totient is φ = 42153696.

The previous prime is 105384263. The next prime is 105384313. The reversal of 105384280 is 82483501.

It is a super-2 number, since 2×1053842802 = 22211692942236800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317264 + ... + 1317343.

It is an arithmetic number, because the mean of its divisors is an integer number (14819670).

Almost surely, 2105384280 is an apocalyptic number.

105384280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105384280 is an abundant number, since it is smaller than the sum of its proper divisors (131730440).

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

105384280 is a wasteful number, since it uses less digits than its factorization.

105384280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634618 (or 2634614 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 105384280 is about 10265.6845850630. The cubic root of 105384280 is about 472.3442260592.

The spelling of 105384280 in words is "one hundred five million, three hundred eighty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2634607 5269214 10538428 13173035 21076856 26346070 52692140 105384280