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972168001 = 71735323143
BaseRepresentation
bin111001111100100…
…001101101000001
32111202022020210021
4321330201231001
53442333334001
6240244533441
733043202020
oct7174415501
92452266707
10972168001
11459844232
122316b1281
13126543c4c
14931848b7
155a534ba1
hex39f21b41

972168001 has 16 divisors (see below), whose sum is σ = 1179788544. Its totient is φ = 782014464.

The previous prime is 972167983. The next prime is 972168013. The reversal of 972168001 is 100861279.

It is a happy number.

972168001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 972168001 - 27 = 972167873 is a prime.

It is a super-2 number, since 2×9721680012 = 1890221244336672002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972168061) 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, 30436 + ... + 53578.

It is an arithmetic number, because the mean of its divisors is an integer number (73736784).

Almost surely, 2972168001 is an apocalyptic number.

It is an amenable number.

972168001 is a deficient number, since it is larger than the sum of its proper divisors (207620543).

972168001 is a wasteful number, since it uses less digits than its factorization.

972168001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23520.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 972168001 is about 31179.6087371218. The cubic root of 972168001 is about 990.6352420679.

The spelling of 972168001 in words is "nine hundred seventy-two million, one hundred sixty-eight thousand, one".

Divisors: 1 7 17 119 353 2471 6001 23143 42007 162001 393431 2754017 8169479 57186353 138881143 972168001