Search a number
-
+
102433421 = 238875021
BaseRepresentation
bin1100001101100…
…00001010001101
321010202011020102
412012300022031
5202210332141
614055300445
72352445466
oct606601215
9233664212
10102433421
1152903822
122a37a725
13182b62bc
14d865d6d
158ed599b
hex61b028d

102433421 has 8 divisors (see below), whose sum is σ = 107028864. Its totient is φ = 97849840.

The previous prime is 102433391. The next prime is 102433433. The reversal of 102433421 is 124334201.

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 102433421 - 210 = 102432397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102433393 and 102433402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102433321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17891 + ... + 22911.

It is an arithmetic number, because the mean of its divisors is an integer number (13378608).

Almost surely, 2102433421 is an apocalyptic number.

It is an amenable number.

102433421 is a deficient number, since it is larger than the sum of its proper divisors (4595443).

102433421 is an equidigital number, since it uses as much as digits as its factorization.

102433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102433421 is about 10120.9397290963. The cubic root of 102433421 is about 467.8937302845.

Adding to 102433421 its reverse (124334201), we get a palindrome (226767622).

The spelling of 102433421 in words is "one hundred two million, four hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 23 887 5021 20401 115483 4453627 102433421