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192942401 = 1711349553
BaseRepresentation
bin10111000000000…
…01000101000001
3111110001111012212
423200001011001
5343343124101
631051231505
74531661201
oct1340010501
9443044185
10192942401
1199a02533
1254748595
1330c85b02
141b8a6401
1511e131bb
hexb801141

192942401 has 4 divisors (see below), whose sum is σ = 204291972. Its totient is φ = 181592832.

The previous prime is 192942361. The next prime is 192942403. The reversal of 192942401 is 104249291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104249291 = 539919309.

It can be written as a sum of positive squares in 2 ways, for example, as 100801600 + 92140801 = 10040^2 + 9599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-192942401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192942403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5674760 + ... + 5674793.

It is an arithmetic number, because the mean of its divisors is an integer number (51072993).

Almost surely, 2192942401 is an apocalyptic number.

It is an amenable number.

192942401 is a deficient number, since it is larger than the sum of its proper divisors (11349571).

192942401 is a wasteful number, since it uses less digits than its factorization.

192942401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349570.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 192942401 is about 13890.3708013861. The cubic root of 192942401 is about 577.8421612575.

The spelling of 192942401 in words is "one hundred ninety-two million, nine hundred forty-two thousand, four hundred one".

Divisors: 1 17 11349553 192942401