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1113602557 = 53173121453
BaseRepresentation
bin100001001100000…
…0011100111111101
32212121102212112011
41002120003213331
54240040240212
6302300211221
736411315454
oct10230034775
92777385464
101113602557
115216660a1
12270b39b11
13149934232
14a7c7db9b
1567b714a7
hex426039fd

1113602557 has 8 divisors (see below), whose sum is σ = 1141181784. Its totient is φ = 1086266688.

The previous prime is 1113602551. The next prime is 1113602647. The reversal of 1113602557 is 7552063111.

It can be written as a sum of positive squares in 4 ways, for example, as 733001476 + 380601081 = 27074^2 + 19509^2 .

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 1113602557 - 23 = 1113602549 is a prime.

It is a super-2 number, since 2×11136025572 = 2480221309913876498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113602551) 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, 51558 + ... + 69895.

It is an arithmetic number, because the mean of its divisors is an integer number (142647723).

Almost surely, 21113602557 is an apocalyptic number.

It is an amenable number.

1113602557 is a deficient number, since it is larger than the sum of its proper divisors (27579227).

1113602557 is a wasteful number, since it uses less digits than its factorization.

1113602557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121679.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1113602557 is about 33370.6840954752. The cubic root of 1113602557 is about 1036.5177409103.

Adding to 1113602557 its reverse (7552063111), we get a palindrome (8665665668).

The spelling of 1113602557 in words is "one billion, one hundred thirteen million, six hundred two thousand, five hundred fifty-seven".

Divisors: 1 53 173 9169 121453 6437009 21011369 1113602557