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1097246047 = 4912234717
BaseRepresentation
bin100000101100110…
…1010010101011111
32211110122212121111
41001121222111133
54221343333142
6300513442451
736122303032
oct10131522537
92743585544
101097246047
11513404217
12267570427
13146428321
14a5a23019
15664dee17
hex4166a55f

1097246047 has 4 divisors (see below), whose sum is σ = 1099481256. Its totient is φ = 1095010840.

The previous prime is 1097246021. The next prime is 1097246053. The reversal of 1097246047 is 7406427901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1097246047 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097246077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116868 + ... + 1117849.

It is an arithmetic number, because the mean of its divisors is an integer number (274870314).

Almost surely, 21097246047 is an apocalyptic number.

1097246047 is a deficient number, since it is larger than the sum of its proper divisors (2235209).

1097246047 is an equidigital number, since it uses as much as digits as its factorization.

1097246047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235208.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 1097246047 is about 33124.7044817007. The cubic root of 1097246047 is about 1031.4179255552.

The spelling of 1097246047 in words is "one billion, ninety-seven million, two hundred forty-six thousand, forty-seven".

Divisors: 1 491 2234717 1097246047