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102344457 = 3231483253
BaseRepresentation
bin1100001100110…
…10011100001001
321010120122012110
412012122130021
5202200010312
614053332533
72351625225
oct606323411
9233518173
10102344457
11528529a6
122a337149
1318284967
14d841785
158eb943c
hex619a709

102344457 has 8 divisors (see below), whose sum is σ = 142392384. Its totient is φ = 65263088.

The previous prime is 102344453. The next prime is 102344461. The reversal of 102344457 is 754443201.

It is an interprime number because it is at equal distance from previous prime (102344453) and next prime (102344461).

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 102344457 - 22 = 102344453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102344453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741558 + ... + 741695.

It is an arithmetic number, because the mean of its divisors is an integer number (17799048).

Almost surely, 2102344457 is an apocalyptic number.

It is an amenable number.

102344457 is a deficient number, since it is larger than the sum of its proper divisors (40047927).

102344457 is a wasteful number, since it uses less digits than its factorization.

102344457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483279.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 102344457 is about 10116.5437279735. The cubic root of 102344457 is about 467.7582349421.

Adding to 102344457 its reverse (754443201), we get a palindrome (856787658).

The spelling of 102344457 in words is "one hundred two million, three hundred forty-four thousand, four hundred fifty-seven".

Divisors: 1 3 23 69 1483253 4449759 34114819 102344457