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102928394 = 273704989
BaseRepresentation
bin1100010001010…
…01000000001010
321011200022012202
412020221000022
5202322202034
614114040202
72356606532
oct610510012
9234608182
10102928394
1153111698
122a579062
131842a69a
14d9544c2
15908247e
hex622900a

102928394 has 8 divisors (see below), whose sum is σ = 156507780. Its totient is φ = 50759136.

The previous prime is 102928351. The next prime is 102928429. The reversal of 102928394 is 493829201.

It can be written as a sum of positive squares in 2 ways, for example, as 97752769 + 5175625 = 9887^2 + 2275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 352349 + ... + 352640.

Almost surely, 2102928394 is an apocalyptic number.

102928394 is a deficient number, since it is larger than the sum of its proper divisors (53579386).

102928394 is an equidigital number, since it uses as much as digits as its factorization.

102928394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705064.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 102928394 is about 10145.3631773338. The cubic root of 102928394 is about 468.6461628605.

The spelling of 102928394 in words is "one hundred two million, nine hundred twenty-eight thousand, three hundred ninety-four".

Divisors: 1 2 73 146 704989 1409978 51464197 102928394