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100542311 = 487120641
BaseRepresentation
bin1011111111000…
…10011101100111
321000012002010022
411333202131213
5201214323221
613550545355
72330411162
oct577423547
9230162108
10100542311
1151831a21
122980825b
1317aa35bc
14d4d2ad9
158c604ab
hex5fe2767

100542311 has 4 divisors (see below), whose sum is σ = 100567824. Its totient is φ = 100516800.

The previous prime is 100542307. The next prime is 100542341. The reversal of 100542311 is 113245001.

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

It is a cyclic number.

It is not a de Polignac number, because 100542311 - 22 = 100542307 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 100542311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100542341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5450 + ... + 15191.

It is an arithmetic number, because the mean of its divisors is an integer number (25141956).

Almost surely, 2100542311 is an apocalyptic number.

100542311 is a deficient number, since it is larger than the sum of its proper divisors (25513).

100542311 is an equidigital number, since it uses as much as digits as its factorization.

100542311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25512.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100542311 is about 10027.0788866948. The cubic root of 100542311 is about 464.9964327009.

Adding to 100542311 its reverse (113245001), we get a palindrome (213787312).

The spelling of 100542311 in words is "one hundred million, five hundred forty-two thousand, three hundred eleven".

Divisors: 1 4871 20641 100542311