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1072388101 = 171917411907
BaseRepresentation
bin111111111010110…
…101100000000101
32202201212221220211
4333322311200011
54144012404401
6254224555421
735401101631
oct7772654005
92681787824
101072388101
11500376064
1225b182b71
13141233995
14a25d1dc1
156422e951
hex3feb5805

1072388101 has 16 divisors (see below), whose sum is σ = 1196544960. Its totient is φ = 955134720.

The previous prime is 1072388081. The next prime is 1072388111. The reversal of 1072388101 is 1018832701.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1072388101 - 25 = 1072388069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072388111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561390 + ... + 563296.

It is an arithmetic number, because the mean of its divisors is an integer number (74784060).

Almost surely, 21072388101 is an apocalyptic number.

It is an amenable number.

1072388101 is a deficient number, since it is larger than the sum of its proper divisors (124156859).

1072388101 is a wasteful number, since it uses less digits than its factorization.

1072388101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1072388101 is about 32747.3373116044. The cubic root of 1072388101 is about 1023.5694820715.

The spelling of 1072388101 in words is "one billion, seventy-two million, three hundred eighty-eight thousand, one hundred one".

Divisors: 1 17 19 323 1741 1907 29597 32419 33079 36233 562343 615961 3320087 56441479 63081653 1072388101