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102143414 = 2232638443
BaseRepresentation
bin1100001011010…
…01010110110110
321010012102102102
412011221112312
5202122042124
614045142102
72350130132
oct605512666
9233172372
10102143414
115272594a
122a25a932
13182142b9
14d7cc3c2
158e79aae
hex61695b6

102143414 has 16 divisors (see below), whose sum is σ = 160503552. Its totient is φ = 48659688.

The previous prime is 102143413. The next prime is 102143453. The reversal of 102143414 is 414341201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143413) 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, 7877 + ... + 16319.

It is an arithmetic number, because the mean of its divisors is an integer number (10031472).

Almost surely, 2102143414 is an apocalyptic number.

102143414 is a deficient number, since it is larger than the sum of its proper divisors (58360138).

102143414 is a wasteful number, since it uses less digits than its factorization.

102143414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 102143414 is about 10106.6024953987. The cubic root of 102143414 is about 467.4517498127.

Adding to 102143414 its reverse (414341201), we get a palindrome (516484615).

The spelling of 102143414 in words is "one hundred two million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 23 46 263 526 6049 8443 12098 16886 194189 388378 2220509 4441018 51071707 102143414