Search a number
-
+
17120051 = 139191433
BaseRepresentation
bin100000101001…
…1101100110011
31012012210021222
41001103230303
513340320201
61410535255
7265342454
oct101235463
935183258
1017120051
119733603
12589752b
133715610
1423b912b
15178291b
hex1053b33

17120051 has 8 divisors (see below), whose sum is σ = 18469920. Its totient is φ = 15774912.

The previous prime is 17120039. The next prime is 17120057. The reversal of 17120051 is 15002171.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17120051 is a prime.

It is a super-2 number, since 2×171200512 = 586192292485202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17120057) 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, 11231 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (2308740).

Almost surely, 217120051 is an apocalyptic number.

17120051 is a deficient number, since it is larger than the sum of its proper divisors (1349869).

17120051 is a wasteful number, since it uses less digits than its factorization.

17120051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 17120051 is about 4137.6383360560. The cubic root of 17120051 is about 257.7320044334.

The spelling of 17120051 in words is "seventeen million, one hundred twenty thousand, fifty-one".

Divisors: 1 13 919 1433 11947 18629 1316927 17120051