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102553051 = 195397529
BaseRepresentation
bin1100001110011…
…01010111011011
321010222020100011
412013031113123
5202223144201
614102022351
72353454326
oct607152733
9233866304
10102553051
1152985697
122a4179b7
13183288a3
14d8977bd
15900b151
hex61cd5db

102553051 has 4 divisors (see below), whose sum is σ = 107950600. Its totient is φ = 97155504.

The previous prime is 102553049. The next prime is 102553063. The reversal of 102553051 is 150355201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150355201 = 1131330577.

It is a cyclic number.

It is not a de Polignac number, because 102553051 - 21 = 102553049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102553001) 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, 2698746 + ... + 2698783.

It is an arithmetic number, because the mean of its divisors is an integer number (26987650).

Almost surely, 2102553051 is an apocalyptic number.

102553051 is a deficient number, since it is larger than the sum of its proper divisors (5397549).

102553051 is an equidigital number, since it uses as much as digits as its factorization.

102553051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397548.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 102553051 is about 10126.8480288785. The cubic root of 102553051 is about 468.0758074170.

It can be divided in two parts, 10255 and 3051, that multiplied together give a triangular number (31288005 = T7910).

The spelling of 102553051 in words is "one hundred two million, five hundred fifty-three thousand, fifty-one".

Divisors: 1 19 5397529 102553051