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4013193 = 31337731
BaseRepresentation
bin1111010011110010001001
321112220001210
433103302021
52011410233
6222003333
746053162
oct17236211
97486053
104013193
1122a1198
121416549
13aa6892
14766769
15544163
hex3d3c89

4013193 has 4 divisors (see below), whose sum is σ = 5350928. Its totient is φ = 2675460.

The previous prime is 4013183. The next prime is 4013197. The reversal of 4013193 is 3913104.

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 not a de Polignac number, because 4013193 - 29 = 4012681 is a prime.

It is a super-2 number, since 2×40131932 = 32211436110498, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (4013197) 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, 668863 + ... + 668868.

It is an arithmetic number, because the mean of its divisors is an integer number (1337732).

Almost surely, 24013193 is an apocalyptic number.

It is an amenable number.

4013193 is a deficient number, since it is larger than the sum of its proper divisors (1337735).

4013193 is a wasteful number, since it uses less digits than its factorization.

4013193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337734.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 4013193 is about 2003.2955348625. The cubic root of 4013193 is about 158.9144351931.

Adding to 4013193 its reverse (3913104), we get a palindrome (7926297).

The spelling of 4013193 in words is "four million, thirteen thousand, one hundred ninety-three".

Divisors: 1 3 1337731 4013193