Search a number
-
+
434500979 = 1139500089
BaseRepresentation
bin11001111001011…
…111010101110011
31010021120221021212
4121321133111303
51342213012404
6111040510335
713524124463
oct3171372563
91107527255
10434500979
112032a0020
1210161b3ab
136c031193
14419c5ba3
152822b06e
hex19e5f573

434500979 has 4 divisors (see below), whose sum is σ = 474001080. Its totient is φ = 395000880.

The previous prime is 434500973. The next prime is 434501009. The reversal of 434500979 is 979005434.

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 434500979 - 28 = 434500723 is a prime.

It is a super-2 number, since 2×4345009792 = 377582201503916882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434500973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19750034 + ... + 19750055.

It is an arithmetic number, because the mean of its divisors is an integer number (118500270).

Almost surely, 2434500979 is an apocalyptic number.

434500979 is a deficient number, since it is larger than the sum of its proper divisors (39500101).

434500979 is a wasteful number, since it uses less digits than its factorization.

434500979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39500100.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 434500979 is about 20844.6870688912. The cubic root of 434500979 is about 757.4086367897.

The spelling of 434500979 in words is "four hundred thirty-four million, five hundred thousand, nine hundred seventy-nine".

Divisors: 1 11 39500089 434500979