Search a number
-
+
190412401 = 137992
BaseRepresentation
bin10110101100101…
…11011001110001
3111021021221201011
423112113121301
5342221144101
630521110521
74501323124
oct1326273161
9437257634
10190412401
1198534723
1253928441
13305ab37a
141b4083bb
1511ab3751
hexb597671

190412401 has 3 divisors (see below), whose sum is σ = 190426201. Its totient is φ = 190398602.

The previous prime is 190412399. The next prime is 190412429. The reversal of 190412401 is 104214091.

The square root of 190412401 is 13799.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 190412401 - 21 = 190412399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190412441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6900 + ... + 20698.

Almost surely, 2190412401 is an apocalyptic number.

190412401 is the 13799-th square number.

190412401 is the 6900-th centered octagonal number.

It is an amenable number.

190412401 is a deficient number, since it is larger than the sum of its proper divisors (13800).

190412401 is an frugal number, since it uses more digits than its factorization.

190412401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27598 (or 13799 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The cubic root of 190412401 is about 575.3053460759.

Adding to 190412401 its reverse (104214091), we get a palindrome (294626492).

The spelling of 190412401 in words is "one hundred ninety million, four hundred twelve thousand, four hundred one".

Divisors: 1 13799 190412401