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102054235 = 520410847
BaseRepresentation
bin1100001010100…
…11100101011011
321010000220002111
412011103211123
5202111213420
614043213151
72346306133
oct605234533
9233026074
10102054235
1152674948
122a2171b7
13181b282a
14d7a7ac3
158e5d45a
hex615395b

102054235 has 4 divisors (see below), whose sum is σ = 122465088. Its totient is φ = 81643384.

The previous prime is 102054209. The next prime is 102054269. The reversal of 102054235 is 532450201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532450201 = 1554134261.

It is a cyclic number.

It is not a de Polignac number, because 102054235 - 27 = 102054107 is a prime.

It is a Duffinian number.

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, 10205419 + ... + 10205428.

It is an arithmetic number, because the mean of its divisors is an integer number (30616272).

Almost surely, 2102054235 is an apocalyptic number.

102054235 is a deficient number, since it is larger than the sum of its proper divisors (20410853).

102054235 is an equidigital number, since it uses as much as digits as its factorization.

102054235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410852.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 102054235 is about 10102.1896141381. The cubic root of 102054235 is about 467.3156698450.

It can be divided in two parts, 1020 and 54235, that added together give a palindrome (55255).

The spelling of 102054235 in words is "one hundred two million, fifty-four thousand, two hundred thirty-five".

Divisors: 1 5 20410847 102054235