Search a number
-
+
190056415 = 538011283
BaseRepresentation
bin10110101010000…
…00011111011111
3111020121212101111
423111000133133
5342123301130
630505322451
74465311223
oct1325003737
9436555344
10190056415
119831121a
1253796427
13304b5323
141b354783
1511a4302a
hexb5407df

190056415 has 4 divisors (see below), whose sum is σ = 228067704. Its totient is φ = 152045128.

The previous prime is 190056409. The next prime is 190056439. The reversal of 190056415 is 514650091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190056415 - 223 = 181667807 is a prime.

It is a super-2 number, since 2×1900564152 = 72242881765304450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 19005637 + ... + 19005646.

It is an arithmetic number, because the mean of its divisors is an integer number (57016926).

Almost surely, 2190056415 is an apocalyptic number.

190056415 is a deficient number, since it is larger than the sum of its proper divisors (38011289).

190056415 is an equidigital number, since it uses as much as digits as its factorization.

190056415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38011288.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 190056415 is about 13786.0949873414. The cubic root of 190056415 is about 574.9466012163.

The spelling of 190056415 in words is "one hundred ninety million, fifty-six thousand, four hundred fifteen".

Divisors: 1 5 38011283 190056415