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100492451 = 2328315439
BaseRepresentation
bin1011111110101…
…10010010100011
321000002112201122
411333112102203
5201211224301
613545522455
72330112623
oct577262243
9230075648
10100492451
11517a8514
12297a342b
1317a869b7
14d4bc883
158c5081b
hex5fd64a3

100492451 has 8 divisors (see below), whose sum is σ = 105239040. Its totient is φ = 95777352.

The previous prime is 100492411. The next prime is 100492493. The reversal of 100492451 is 154294001.

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

It is a cyclic number.

It is not a de Polignac number, because 100492451 - 210 = 100491427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100492451.

It is not an unprimeable number, because it can be changed into a prime (100492411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211 + ... + 14228.

It is an arithmetic number, because the mean of its divisors is an integer number (13154880).

Almost surely, 2100492451 is an apocalyptic number.

100492451 is a deficient number, since it is larger than the sum of its proper divisors (4746589).

100492451 is a wasteful number, since it uses less digits than its factorization.

100492451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 100492451 is about 10024.5923109122. The cubic root of 100492451 is about 464.9195544345.

The spelling of 100492451 in words is "one hundred million, four hundred ninety-two thousand, four hundred fifty-one".

Divisors: 1 23 283 6509 15439 355097 4369237 100492451