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630077 = 790011
BaseRepresentation
bin10011001110100111101
31012000022012
42121310331
5130130302
621301005
75232650
oct2316475
91160265
10630077
113a0428
12264765
13190a36
14125897
15c6a52
hex99d3d

630077 has 4 divisors (see below), whose sum is σ = 720096. Its totient is φ = 540060.

The previous prime is 630067. The next prime is 630101. The reversal of 630077 is 770036.

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-630077 is a prime.

It is an Ulam number.

It is a Duffinian number.

630077 is a modest number, since divided by 77 gives 63 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630017) 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, 44999 + ... + 45012.

It is an arithmetic number, because the mean of its divisors is an integer number (180024).

2630077 is an apocalyptic number.

It is an amenable number.

630077 is a deficient number, since it is larger than the sum of its proper divisors (90019).

630077 is an equidigital number, since it uses as much as digits as its factorization.

630077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90018.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 630077 is about 793.7738972781. The cubic root of 630077 is about 85.7296812293.

The spelling of 630077 in words is "six hundred thirty thousand, seventy-seven".

Divisors: 1 7 90011 630077