Search a number
-
+
630937 = 2632399
BaseRepresentation
bin10011010000010011001
31012001111001
42122002121
5130142222
621305001
75235316
oct2320231
91161431
10630937
113a103a
12265161
13191248
14125d0d
15c6e27
hex9a099

630937 has 4 divisors (see below), whose sum is σ = 633600. Its totient is φ = 628276.

The previous prime is 630919. The next prime is 630941. The reversal of 630937 is 739036.

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 630937 - 219 = 106649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630907) 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, 937 + ... + 1462.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2630937 is an apocalyptic number.

It is an amenable number.

630937 is a deficient number, since it is larger than the sum of its proper divisors (2663).

630937 is a wasteful number, since it uses less digits than its factorization.

630937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 630937 is about 794.3154285295. The cubic root of 630937 is about 85.7686680025.

The spelling of 630937 in words is "six hundred thirty thousand, nine hundred thirty-seven".

Divisors: 1 263 2399 630937