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102112430 = 2571458749
BaseRepresentation
bin1100001011000…
…01110010101110
321010010211220212
412011201302232
5202120044210
614044342422
72346640610
oct605416256
9233124825
10102112430
1152704642
122a244a12
1318203174
14d7c0db0
158e70805
hex6161cae

102112430 has 16 divisors (see below), whose sum is σ = 210060000. Its totient is φ = 35009952.

The previous prime is 102112429. The next prime is 102112447. The reversal of 102112430 is 34211201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729305 + ... + 729444.

It is an arithmetic number, because the mean of its divisors is an integer number (13128750).

Almost surely, 2102112430 is an apocalyptic number.

102112430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112430 is an abundant number, since it is smaller than the sum of its proper divisors (107947570).

102112430 is a wasteful number, since it uses less digits than its factorization.

102112430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458763.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102112430 is about 10105.0695198004. The cubic root of 102112430 is about 467.4044797076.

Adding to 102112430 its reverse (34211201), we get a palindrome (136323631).

The spelling of 102112430 in words is "one hundred two million, one hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1458749 2917498 7293745 10211243 14587490 20422486 51056215 102112430