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195926401 = 1117811491
BaseRepresentation
bin10111010110110…
…01100110000001
3111122200002111101
423223121212001
5400124121101
631235214401
74566226666
oct1353314601
9448602441
10195926401
11a0660450
1255747401
133178c0a8
141c041a6d
1512302401
hexbad9981

195926401 has 4 divisors (see below), whose sum is σ = 213737904. Its totient is φ = 178114900.

The previous prime is 195926387. The next prime is 195926429. The reversal of 195926401 is 104629591.

195926401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195926401 - 27 = 195926273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195926491) 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, 8905735 + ... + 8905756.

It is an arithmetic number, because the mean of its divisors is an integer number (53434476).

Almost surely, 2195926401 is an apocalyptic number.

195926401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195926401 is a deficient number, since it is larger than the sum of its proper divisors (17811503).

195926401 is a wasteful number, since it uses less digits than its factorization.

195926401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811502.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 195926401 is about 13997.3712174822. The cubic root of 195926401 is about 580.8058566311.

The spelling of 195926401 in words is "one hundred ninety-five million, nine hundred twenty-six thousand, four hundred one".

Divisors: 1 11 17811491 195926401