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54402323 = 79688637
BaseRepresentation
bin1100111110000…
…1110100010011
310210100220221212
43033201310103
5102411333243
65222010335
71230261233
oct317416423
9123326855
1054402323
11287882a8
12162769ab
13b36a131
147321cc3
154b99318
hex33e1d13

54402323 has 4 divisors (see below), whose sum is σ = 55091040. Its totient is φ = 53713608.

The previous prime is 54402319. The next prime is 54402373. The reversal of 54402323 is 32320445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54402323 - 22 = 54402319 is a prime.

It is a super-2 number, since 2×544023232 = 5919225495592658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54402373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344240 + ... + 344397.

It is an arithmetic number, because the mean of its divisors is an integer number (13772760).

Almost surely, 254402323 is an apocalyptic number.

54402323 is a deficient number, since it is larger than the sum of its proper divisors (688717).

54402323 is an equidigital number, since it uses as much as digits as its factorization.

54402323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688716.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 54402323 is about 7375.7930421074. The cubic root of 54402323 is about 378.9126881900.

Adding to 54402323 its reverse (32320445), we get a palindrome (86722768).

The spelling of 54402323 in words is "fifty-four million, four hundred two thousand, three hundred twenty-three".

Divisors: 1 79 688637 54402323