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100245539 = 197174311
BaseRepresentation
bin1011111100110…
…10000000100011
320222122000000202
411332122000203
5201130324124
613540335415
72325034022
oct576320043
9228560022
10100245539
1151649a59
12296a456b
13179cb4b4
14d4568b9
158c025ae
hex5f9a023

100245539 has 8 divisors (see below), whose sum is σ = 107009280. Its totient is φ = 93630600.

The previous prime is 100245521. The next prime is 100245553. The reversal of 100245539 is 935542001.

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 100245539 - 28 = 100245283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100245559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35807 + ... + 38504.

It is an arithmetic number, because the mean of its divisors is an integer number (13376160).

Almost surely, 2100245539 is an apocalyptic number.

100245539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100245539 is a deficient number, since it is larger than the sum of its proper divisors (6763741).

100245539 is an equidigital number, since it uses as much as digits as its factorization.

100245539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74401.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 100245539 is about 10012.2694230629. The cubic root of 100245539 is about 464.5384698798.

The spelling of 100245539 in words is "one hundred million, two hundred forty-five thousand, five hundred thirty-nine".

Divisors: 1 19 71 1349 74311 1411909 5276081 100245539