Search a number
-
+
621230674 = 21091284707
BaseRepresentation
bin100101000001110…
…011101001010010
31121021221210021111
4211001303221102
52233013340144
6141351043534
721252242101
oct4501635122
91537853244
10621230674
11299739889
121540705aa
139b92021c
145c712038
1539813534
hex25073a52

621230674 has 8 divisors (see below), whose sum is σ = 932703408. Its totient is φ = 310329540.

The previous prime is 621230639. The next prime is 621230693. The reversal of 621230674 is 476032126.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140172 + ... + 144535.

It is an arithmetic number, because the mean of its divisors is an integer number (116587926).

Almost surely, 2621230674 is an apocalyptic number.

621230674 is a deficient number, since it is larger than the sum of its proper divisors (311472734).

621230674 is a wasteful number, since it uses less digits than its factorization.

621230674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285800.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 621230674 is about 24924.4994734097. The cubic root of 621230674 is about 853.2657179430.

The spelling of 621230674 in words is "six hundred twenty-one million, two hundred thirty thousand, six hundred seventy-four".

Divisors: 1 2 1091 2182 284707 569414 310615337 621230674