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2708497906 = 22393565921
BaseRepresentation
bin1010000101110000…
…0110010111110010
320222202111221122021
42201130012113302
521021333413111
61124432302054
7124055565232
oct24134062762
96882457567
102708497906
11116a970624
126370a192a
133421a06aa
141b9a05cc2
1510cbb2d71
hexa17065f2

2708497906 has 8 divisors (see below), whose sum is σ = 4064451804. Its totient is φ = 1353680640.

The previous prime is 2708497901. The next prime is 2708497921. The reversal of 2708497906 is 6097948072.

It can be written as a sum of positive squares in 2 ways, for example, as 2241549025 + 466948881 = 47345^2 + 21609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2708497901) 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, 278175 + ... + 287746.

Almost surely, 22708497906 is an apocalyptic number.

2708497906 is a deficient number, since it is larger than the sum of its proper divisors (1355953898).

2708497906 is a wasteful number, since it uses less digits than its factorization.

2708497906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568316.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 2708497906 is about 52043.2311256709. The cubic root of 2708497906 is about 1393.9360010607.

The spelling of 2708497906 in words is "two billion, seven hundred eight million, four hundred ninety-seven thousand, nine hundred six".

Divisors: 1 2 2393 4786 565921 1131842 1354248953 2708497906