Search a number
-
+
670235101 = 719439931
BaseRepresentation
bin100111111100101…
…111100111011101
31201201011110201021
4213330233213131
52333040010401
6150301244141
722415622124
oct4774574735
91651143637
10670235101
1131436a608
12168563651
13a8b1a423
146502aabb
153dc932a1
hex27f2f9dd

670235101 has 4 divisors (see below), whose sum is σ = 679675104. Its totient is φ = 660795100.

The previous prime is 670235039. The next prime is 670235107. The reversal of 670235101 is 101532076.

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 a de Polignac number, because none of the positive numbers 2k-670235101 is a prime.

It is a super-2 number, since 2×6702351012 = 898430181224960402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670235107) 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, 4719895 + ... + 4720036.

It is an arithmetic number, because the mean of its divisors is an integer number (169918776).

Almost surely, 2670235101 is an apocalyptic number.

It is an amenable number.

670235101 is a deficient number, since it is larger than the sum of its proper divisors (9440003).

670235101 is an equidigital number, since it uses as much as digits as its factorization.

670235101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440002.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 670235101 is about 25888.8991847857. The cubic root of 670235101 is about 875.1363492553.

Adding to 670235101 its reverse (101532076), we get a palindrome (771767177).

The spelling of 670235101 in words is "six hundred seventy million, two hundred thirty-five thousand, one hundred one".

Divisors: 1 71 9439931 670235101