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2897479797 = 31303741233
BaseRepresentation
bin1010110010110100…
…0000100001110101
321110221010020001120
42230231000201311
521413223323142
61155303014153
7131542112652
oct25455004165
97427106046
102897479797
111257608503
1268a43a359
1337239a8b4
141d6b5ac29
1511e5927ec
hexacb40875

2897479797 has 8 divisors (see below), whose sum is σ = 3866276544. Its totient is φ = 1930168128.

The previous prime is 2897479787. The next prime is 2897479807. The reversal of 2897479797 is 7979747982.

It is an interprime number because it is at equal distance from previous prime (2897479787) and next prime (2897479807).

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

It is not a de Polignac number, because 2897479797 - 212 = 2897475701 is a prime.

It is a super-2 number, since 2×28974797972 = 16790778348046322418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897479787) 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, 366708 + ... + 374525.

It is an arithmetic number, because the mean of its divisors is an integer number (483284568).

Almost surely, 22897479797 is an apocalyptic number.

It is an amenable number.

2897479797 is a deficient number, since it is larger than the sum of its proper divisors (968796747).

2897479797 is a wasteful number, since it uses less digits than its factorization.

2897479797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742539.

The product of its digits is 112021056, while the sum is 69.

The square root of 2897479797 is about 53828.2434879683. The cubic root of 2897479797 is about 1425.6299333721.

The spelling of 2897479797 in words is "two billion, eight hundred ninety-seven million, four hundred seventy-nine thousand, seven hundred ninety-seven".

Divisors: 1 3 1303 3909 741233 2223699 965826599 2897479797