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100252255 = 520050451
BaseRepresentation
bin1011111100110…
…11101001011111
320222122100020111
411332123221133
5201131033010
613540430451
72325062425
oct576335137
9228570214
10100252255
1151654004
12296a8427
1317a0157c
14d459115
158c0458a
hex5f9ba5f

100252255 has 4 divisors (see below), whose sum is σ = 120302712. Its totient is φ = 80201800.

The previous prime is 100252241. The next prime is 100252319. The reversal of 100252255 is 552252001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100252255 - 27 = 100252127 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025221 + ... + 10025230.

It is an arithmetic number, because the mean of its divisors is an integer number (30075678).

Almost surely, 2100252255 is an apocalyptic number.

100252255 is a deficient number, since it is larger than the sum of its proper divisors (20050457).

100252255 is an equidigital number, since it uses as much as digits as its factorization.

100252255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050456.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 100252255 is about 10012.6048059434. The cubic root of 100252255 is about 464.5488436438.

The spelling of 100252255 in words is "one hundred million, two hundred fifty-two thousand, two hundred fifty-five".

Divisors: 1 5 20050451 100252255