Search a number
-
+
190055806 = 2103922601
BaseRepresentation
bin10110101010000…
…00010101111110
3111020121211112221
423111000111332
5342123241211
630505315554
74465306363
oct1325002576
9436554487
10190055806
1198310816
1253795bba
13304b4c75
141b35446a
1511a42c71
hexb54057e

190055806 has 8 divisors (see below), whose sum is σ = 287851824. Its totient is φ = 94105200.

The previous prime is 190055777. The next prime is 190055813. The reversal of 190055806 is 608550091.

190055806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1900558062 = 72242418788619272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461095 + ... + 461506.

It is an arithmetic number, because the mean of its divisors is an integer number (35981478).

Almost surely, 2190055806 is an apocalyptic number.

190055806 is a deficient number, since it is larger than the sum of its proper divisors (97796018).

190055806 is a wasteful number, since it uses less digits than its factorization.

190055806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922706.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 190055806 is about 13786.0728998508. The cubic root of 190055806 is about 574.9459871129.

The spelling of 190055806 in words is "one hundred ninety million, fifty-five thousand, eight hundred six".

Divisors: 1 2 103 206 922601 1845202 95027903 190055806