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104945390 = 25117391291
BaseRepresentation
bin1100100000101…
…01011011101110
321022110210000022
412100111123232
5203331223030
614225202142
72413010144
oct620253356
9238423008
10104945390
115426a030
122b190352
1318985784
14dd1b594
15932ede5
hex64156ee

104945390 has 32 divisors (see below), whose sum is σ = 206513280. Its totient is φ = 38080800.

The previous prime is 104945387. The next prime is 104945411. The reversal of 104945390 is 93549401.

It is a super-2 number, since 2×1049453902 = 22027069764504200, 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 104945390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80645 + ... + 81935.

It is an arithmetic number, because the mean of its divisors is an integer number (6453540).

Almost surely, 2104945390 is an apocalyptic number.

104945390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104945390 is a deficient number, since it is larger than the sum of its proper divisors (101567890).

104945390 is a wasteful number, since it uses less digits than its factorization.

104945390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 104945390 is about 10244.2857242465. The cubic root of 104945390 is about 471.6875955092.

The spelling of 104945390 in words is "one hundred four million, nine hundred forty-five thousand, three hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 739 1291 1478 2582 3695 6455 7390 8129 12910 14201 16258 28402 40645 71005 81290 142010 954049 1908098 4770245 9540490 10494539 20989078 52472695 104945390