Search a number
-
+
190512084 = 22372268001
BaseRepresentation
bin10110101101011…
…11101111010100
3111021111000110010
423112233233110
5342232341314
630523200220
74502216550
oct1326575724
9437430403
10190512084
11985a2604
1253976070
1330614859
141b432860
1511ad3059
hexb5afbd4

190512084 has 24 divisors (see below), whose sum is σ = 508032448. Its totient is φ = 54432000.

The previous prime is 190512073. The next prime is 190512131. The reversal of 190512084 is 480215091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133917 + ... + 1134084.

Almost surely, 2190512084 is an apocalyptic number.

190512084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

190512084 is an abundant number, since it is smaller than the sum of its proper divisors (317520364).

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

190512084 is a wasteful number, since it uses less digits than its factorization.

190512084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268015 (or 2268013 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 190512084 is about 13802.6114920329. The cubic root of 190512084 is about 575.4057214680.

The spelling of 190512084 in words is "one hundred ninety million, five hundred twelve thousand, eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2268001 4536002 6804003 9072004 13608006 15876007 27216012 31752014 47628021 63504028 95256042 190512084