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102432430 = 2510243243
BaseRepresentation
bin1100001101011…
…11111010101110
321010202002212201
412012233322232
5202210314210
614055252114
72352442552
oct606577256
9233662781
10102432430
1152903001
122a37a03a
13182b5a09
14d865862
158ed553a
hex61afeae

102432430 has 8 divisors (see below), whose sum is σ = 184378392. Its totient is φ = 40972968.

The previous prime is 102432419. The next prime is 102432433. The reversal of 102432430 is 34234201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102432398 and 102432407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102432433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121612 + ... + 5121631.

It is an arithmetic number, because the mean of its divisors is an integer number (23047299).

Almost surely, 2102432430 is an apocalyptic number.

102432430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102432430 is a deficient number, since it is larger than the sum of its proper divisors (81945962).

102432430 is a wasteful number, since it uses less digits than its factorization.

102432430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243250.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102432430 is about 10120.8907710735. The cubic root of 102432430 is about 467.8922213883.

Adding to 102432430 its reverse (34234201), we get a palindrome (136666631).

The spelling of 102432430 in words is "one hundred two million, four hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 10243243 20486486 51216215 102432430