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1115514997 = 7919970957
BaseRepresentation
bin100001001111101…
…0110100001110101
32212202001000220021
41002133112201311
54241032434442
6302405205141
736433502212
oct10237264165
92782030807
101115514997
11522751a23
122717007b1
1314a15385c
14a821ab09
1567dece67
hex427d6875

1115514997 has 8 divisors (see below), whose sum is σ = 1135328000. Its totient is φ = 1095844464.

The previous prime is 1115514989. The next prime is 1115515021. The reversal of 1115514997 is 7994155111.

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 1115514997 - 23 = 1115514989 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 (1115514977) 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, 19758 + ... + 51199.

It is an arithmetic number, because the mean of its divisors is an integer number (141916000).

Almost surely, 21115514997 is an apocalyptic number.

It is an amenable number.

1115514997 is a deficient number, since it is larger than the sum of its proper divisors (19813003).

1115514997 is an equidigital number, since it uses as much as digits as its factorization.

1115514997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71235.

The product of its digits is 56700, while the sum is 43.

The square root of 1115514997 is about 33399.3262956006. The cubic root of 1115514997 is about 1037.1107544906.

The spelling of 1115514997 in words is "one billion, one hundred fifteen million, five hundred fourteen thousand, nine hundred ninety-seven".

Divisors: 1 79 199 15721 70957 5605603 14120443 1115514997