Search a number
-
+
630190 = 251117337
BaseRepresentation
bin10011001110110101110
31012000110101
42121312232
5130131230
621301314
75233201
oct2316656
91160411
10630190
113a0520
1226483a
13190ac2
14125938
15c6aca
hex99dae

630190 has 32 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 215040.

The previous prime is 630181. The next prime is 630193. The reversal of 630190 is 91036.

It is a super-2 number, since 2×6301902 = 794278872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (41067).

2630190 is an apocalyptic number.

630190 is an abundant number, since it is smaller than the sum of its proper divisors (683954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630190 is a wasteful number, since it uses less digits than its factorization.

630190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 630190 is about 793.8450730464. The cubic root of 630190 is about 85.7348059336.

It can be divided in two parts, 630 and 190, that added together give a triangular number (820 = T40).

The spelling of 630190 in words is "six hundred thirty thousand, one hundred ninety".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 337 374 674 935 1685 1870 3370 3707 5729 7414 11458 18535 28645 37070 57290 63019 126038 315095 630190