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19294031 = 172334871
BaseRepresentation
bin100100110011…
…0011101001111
31100022020102202
41021212131033
514414402111
61525312115
7322665551
oct111463517
940266382
1019294031
11a988989
12656563b
133cc6cb3
1427c34d1
151a61b3b
hex126674f

19294031 has 8 divisors (see below), whose sum is σ = 20520864. Its totient is φ = 18077440.

The previous prime is 19294027. The next prime is 19294049. The reversal of 19294031 is 13049291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19294031 - 22 = 19294027 is a prime.

It is a super-2 number, since 2×192940312 = 744519264457922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19293985 and 19294003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19294001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526 + ... + 6396.

It is an arithmetic number, because the mean of its divisors is an integer number (2565108).

Almost surely, 219294031 is an apocalyptic number.

19294031 is a deficient number, since it is larger than the sum of its proper divisors (1226833).

19294031 is a wasteful number, since it uses less digits than its factorization.

19294031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 19294031 is about 4392.4971257816. The cubic root of 19294031 is about 268.2096034203.

The spelling of 19294031 in words is "nineteen million, two hundred ninety-four thousand, thirty-one".

Divisors: 1 17 233 3961 4871 82807 1134943 19294031