Search a number
-
+
674878001 = 796411143
BaseRepresentation
bin101000001110011…
…101001000110001
31202000220100120112
4220032131020301
52340232044001
6150544551105
722503240230
oct5016351061
91660810515
10674878001
11316a50916
1216a022495
13a9a847c5
14658b8b17
153e3adcbb
hex2839d231

674878001 has 4 divisors (see below), whose sum is σ = 771289152. Its totient is φ = 578466852.

The previous prime is 674877979. The next prime is 674878021. The reversal of 674878001 is 100878476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674878001 - 222 = 670683697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 674878001.

It is not an unprimeable number, because it can be changed into a prime (674878021) by changing a digit.

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, 48205565 + ... + 48205578.

It is an arithmetic number, because the mean of its divisors is an integer number (192822288).

Almost surely, 2674878001 is an apocalyptic number.

It is an amenable number.

674878001 is a deficient number, since it is larger than the sum of its proper divisors (96411151).

674878001 is an equidigital number, since it uses as much as digits as its factorization.

674878001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96411150.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 674878001 is about 25978.4141355857. The cubic root of 674878001 is about 877.1524697996.

The spelling of 674878001 in words is "six hundred seventy-four million, eight hundred seventy-eight thousand, one".

Divisors: 1 7 96411143 674878001