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16204379 = 53305743
BaseRepresentation
bin111101110100…
…001001011011
31010111021020012
4331310021123
513122020004
61335152135
7254510042
oct75641133
933437205
1016204379
119168654
12551564b
1334848b9
14221b559
15165146e
hexf7425b

16204379 has 4 divisors (see below), whose sum is σ = 16510176. Its totient is φ = 15898584.

The previous prime is 16204369. The next prime is 16204393. The reversal of 16204379 is 97340261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16204379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16204369) 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, 152819 + ... + 152924.

It is an arithmetic number, because the mean of its divisors is an integer number (4127544).

Almost surely, 216204379 is an apocalyptic number.

16204379 is a deficient number, since it is larger than the sum of its proper divisors (305797).

16204379 is an equidigital number, since it uses as much as digits as its factorization.

16204379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305796.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16204379 is about 4025.4663083921. The cubic root of 16204379 is about 253.0525962504.

The spelling of 16204379 in words is "sixteen million, two hundred four thousand, three hundred seventy-nine".

Divisors: 1 53 305743 16204379