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1115504997 = 31721872647
BaseRepresentation
bin100001001111101…
…0100000101100101
32212202000112011220
41002133110011211
54241032124442
6302405050553
736433431105
oct10237240545
92782015156
101115504997
11522745462
122716b6a59
1314a14c139
14a8217205
1567de9eec
hex427d4165

1115504997 has 8 divisors (see below), whose sum is σ = 1574830656. Its totient is φ = 699924672.

The previous prime is 1115504989. The next prime is 1115505049. The reversal of 1115504997 is 7994055111.

It is a happy number.

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

It is not a de Polignac number, because 1115504997 - 23 = 1115504989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115104997) 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, 10936273 + ... + 10936374.

It is an arithmetic number, because the mean of its divisors is an integer number (196853832).

Almost surely, 21115504997 is an apocalyptic number.

1115504997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1115504997 is a deficient number, since it is larger than the sum of its proper divisors (459325659).

1115504997 is a wasteful number, since it uses less digits than its factorization.

1115504997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21872667.

The product of its (nonzero) digits is 56700, while the sum is 42.

The square root of 1115504997 is about 33399.1765916467. The cubic root of 1115504997 is about 1037.1076554321.

The spelling of 1115504997 in words is "one billion, one hundred fifteen million, five hundred four thousand, nine hundred ninety-seven".

Divisors: 1 3 17 51 21872647 65617941 371834999 1115504997