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193190401 = 41109139311
BaseRepresentation
bin10111000001111…
…01101000000001
3111110112002102001
423200331220001
5343424043101
631100424001
74534043215
oct1340755001
9443462361
10193190401
119a061898
1254848001
1331041961
141b92c945
1511e61901
hexb83da01

193190401 has 16 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 184809600.

The previous prime is 193190383. The next prime is 193190407. The reversal of 193190401 is 104091391.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 193190401 - 25 = 193190369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193190401.

It is not an unprimeable number, because it can be changed into a prime (193190407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621036 + ... + 621346.

It is an arithmetic number, because the mean of its divisors is an integer number (12612600).

Almost surely, 2193190401 is an apocalyptic number.

It is an amenable number.

193190401 is a deficient number, since it is larger than the sum of its proper divisors (8611199).

193190401 is a wasteful number, since it uses less digits than its factorization.

193190401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 193190401 is about 13899.2949821205. The cubic root of 193190401 is about 578.0896332141.

The spelling of 193190401 in words is "one hundred ninety-three million, one hundred ninety thousand, four hundred one".

Divisors: 1 41 109 139 311 4469 5699 12751 15151 33899 43229 621191 1389859 1772389 4711961 193190401