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102423465 = 3252276077
BaseRepresentation
bin1100001101011…
…01101110101001
321010201122120200
412012231232221
5202210022330
614055142413
72352404454
oct606555651
9233648520
10102423465
11528a72a1
122a374a09
13182b1901
14d86249b
158ed2a60
hex61adba9

102423465 has 12 divisors (see below), whose sum is σ = 177534084. Its totient is φ = 54625824.

The previous prime is 102423457. The next prime is 102423479. The reversal of 102423465 is 564324201.

It can be written as a sum of positive squares in 2 ways, for example, as 47114496 + 55308969 = 6864^2 + 7437^2 .

It is not a de Polignac number, because 102423465 - 23 = 102423457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1137994 + ... + 1138083.

It is an arithmetic number, because the mean of its divisors is an integer number (14794507).

Almost surely, 2102423465 is an apocalyptic number.

102423465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102423465 is a deficient number, since it is larger than the sum of its proper divisors (75110619).

102423465 is a wasteful number, since it uses less digits than its factorization.

102423465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276088 (or 2276085 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 102423465 is about 10120.4478655838. The cubic root of 102423465 is about 467.8785708412.

Adding to 102423465 its reverse (564324201), we get a palindrome (666747666).

The spelling of 102423465 in words is "one hundred two million, four hundred twenty-three thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 45 2276077 6828231 11380385 20484693 34141155 102423465