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797941906 = 2398970953
BaseRepresentation
bin101111100011111…
…010000010010010
32001121110122111221
4233203322002102
53113233120111
6211102355254
725526252146
oct5743720222
92047418457
10797941906
1137a465623
121a328bb2a
13c9412198
1477d91226
154a0bc371
hex2f8fa092

797941906 has 4 divisors (see below), whose sum is σ = 1196912862. Its totient is φ = 398970952.

The previous prime is 797941867. The next prime is 797941909. The reversal of 797941906 is 609149797.

797941906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609149797 = 1735832341.

It can be written as a sum of positive squares in only one way, i.e., 787644225 + 10297681 = 28065^2 + 3209^2 .

It is a super-2 number, since 2×7979419062 = 1273422570701825672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (797941909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199485475 + ... + 199485478.

Almost surely, 2797941906 is an apocalyptic number.

797941906 is a deficient number, since it is larger than the sum of its proper divisors (398970956).

797941906 is a wasteful number, since it uses less digits than its factorization.

797941906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398970955.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 797941906 is about 28247.8655122825. The cubic root of 797941906 is about 927.5210142409.

The spelling of 797941906 in words is "seven hundred ninety-seven million, nine hundred forty-one thousand, nine hundred six".

Divisors: 1 2 398970953 797941906