Search a number
-
+
190924520 = 23519724229
BaseRepresentation
bin10110110000101…
…00011011101000
3111022020222012112
423120110123220
5342334041040
630540101452
74505555153
oct1330243350
9438228175
10190924520
1198854466
1253b34888
133072a4b7
141b4dcc9a
1511b65365
hexb6146e8

190924520 has 32 divisors (see below), whose sum is σ = 431778600. Its totient is φ = 75979008.

The previous prime is 190924519. The next prime is 190924523. The reversal of 190924520 is 25429091.

It can be written as a sum of positive squares in 4 ways, for example, as 166461604 + 24462916 = 12902^2 + 4946^2 .

It is not an unprimeable number, because it can be changed into a prime (190924523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235 + ... + 19994.

Almost surely, 2190924520 is an apocalyptic number.

190924520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190924520 is an abundant number, since it is smaller than the sum of its proper divisors (240854080).

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

190924520 is a wasteful number, since it uses less digits than its factorization.

190924520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24437 (or 24433 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 190924520 is about 13817.5439206829. The cubic root of 190924520 is about 575.8206505016.

The spelling of 190924520 in words is "one hundred ninety million, nine hundred twenty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 197 394 788 985 1576 1970 3940 7880 24229 48458 96916 121145 193832 242290 484580 969160 4773113 9546226 19092452 23865565 38184904 47731130 95462260 190924520