Search a number
-
+
190554290 = 2519055429
BaseRepresentation
bin10110101101110…
…10000010110010
3111021120011100022
423112322002302
5342240214130
630524123442
74502453603
oct1326720262
9437504308
10190554290
1198621293
1253996582
133062ab24
141b443daa
1511ae07e5
hexb5ba0b2

190554290 has 8 divisors (see below), whose sum is σ = 342997740. Its totient is φ = 76221712.

The previous prime is 190554289. The next prime is 190554307. The reversal of 190554290 is 92455091.

190554290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 172055689 + 18498601 = 13117^2 + 4301^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 190554290.

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, 9527705 + ... + 9527724.

Almost surely, 2190554290 is an apocalyptic number.

190554290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190554290 is a deficient number, since it is larger than the sum of its proper divisors (152443450).

190554290 is a wasteful number, since it uses less digits than its factorization.

190554290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055436.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 190554290 is about 13804.1403209327. The cubic root of 190554290 is about 575.4482100777.

The spelling of 190554290 in words is "one hundred ninety million, five hundred fifty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 19055429 38110858 95277145 190554290