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102430238 = 253966323
BaseRepresentation
bin1100001101011…
…11011000011110
321010201222212112
412012233120132
5202210231423
614055234022
72352433301
oct606573036
9233658775
10102430238
1152901399
122a378912
13182b4a11
14d864b38
158ed4a78
hex61af61e

102430238 has 8 divisors (see below), whose sum is σ = 156544488. Its totient is φ = 50248744.

The previous prime is 102430187. The next prime is 102430241. The reversal of 102430238 is 832034201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483056 + ... + 483267.

It is an arithmetic number, because the mean of its divisors is an integer number (19568061).

Almost surely, 2102430238 is an apocalyptic number.

102430238 is a deficient number, since it is larger than the sum of its proper divisors (54114250).

102430238 is an equidigital number, since it uses as much as digits as its factorization.

102430238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966378.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 102430238 is about 10120.7824796307. The cubic root of 102430238 is about 467.8888838156. Note that the first 5 decimals are identical.

Adding to 102430238 its reverse (832034201), we get a palindrome (934464439).

The spelling of 102430238 in words is "one hundred two million, four hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 53 106 966323 1932646 51215119 102430238