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79941401 = 591354939
BaseRepresentation
bin1001100001111…
…00111100011001
312120102102222122
410300330330121
5130431111101
611533231025
71660330211
oct460747431
9176372878
1079941401
1141141181
1222932475
131373c807
14a88d241
15704151b
hex4c3cf19

79941401 has 4 divisors (see below), whose sum is σ = 81296400. Its totient is φ = 78586404.

The previous prime is 79941391. The next prime is 79941413. The reversal of 79941401 is 10414997.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10414997 = 17775861.

It is a cyclic number.

It is not a de Polignac number, because 79941401 - 214 = 79925017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79940401) 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, 677411 + ... + 677528.

It is an arithmetic number, because the mean of its divisors is an integer number (20324100).

Almost surely, 279941401 is an apocalyptic number.

It is an amenable number.

79941401 is a deficient number, since it is larger than the sum of its proper divisors (1354999).

79941401 is a wasteful number, since it uses less digits than its factorization.

79941401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354998.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 79941401 is about 8940.9955262264. The cubic root of 79941401 is about 430.7817058765.

The spelling of 79941401 in words is "seventy-nine million, nine hundred forty-one thousand, four hundred one".

Divisors: 1 59 1354939 79941401