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869007838 = 21014302019
BaseRepresentation
bin110011110011000…
…000000111011110
32020120012011122111
4303303000013132
53234431222323
6222121504234
730351305356
oct6363000736
92216164574
10869007838
114065944a6
1220304207a
1310b064c2a
14835adb66
1551458c0d
hex33cc01de

869007838 has 8 divisors (see below), whose sum is σ = 1316418120. Its totient is φ = 430201800.

The previous prime is 869007793. The next prime is 869007857. The reversal of 869007838 is 838700968.

It is a happy number.

869007838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-5 number, since 5×8690078385 (a number of 46 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869007791 and 869007800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150808 + ... + 2151211.

It is an arithmetic number, because the mean of its divisors is an integer number (164552265).

Almost surely, 2869007838 is an apocalyptic number.

869007838 is a deficient number, since it is larger than the sum of its proper divisors (447410282).

869007838 is a wasteful number, since it uses less digits than its factorization.

869007838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302122.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 869007838 is about 29478.9388886371. The cubic root of 869007838 is about 954.2772371888.

The spelling of 869007838 in words is "eight hundred sixty-nine million, seven thousand, eight hundred thirty-eight".

Divisors: 1 2 101 202 4302019 8604038 434503919 869007838