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34431861 = 326714297
BaseRepresentation
bin1000001101011…
…0001101110101
32101210022122010
42003112031311
532303304421
63225554433
7565444302
oct203261565
971708563
1034431861
1118488192
12b645a19
1371972a9
1448040a9
153052076
hex20d6375

34431861 has 8 divisors (see below), whose sum is σ = 45937024. Its totient is φ = 22940640.

The previous prime is 34431853. The next prime is 34431883. The reversal of 34431861 is 16813443.

34431861 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 not a de Polignac number, because 34431861 - 23 = 34431853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34431361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5865 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (5742128).

Almost surely, 234431861 is an apocalyptic number.

It is an amenable number.

34431861 is a deficient number, since it is larger than the sum of its proper divisors (11505163).

34431861 is a wasteful number, since it uses less digits than its factorization.

34431861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971.

The product of its digits is 6912, while the sum is 30.

The square root of 34431861 is about 5867.8668185295. The cubic root of 34431861 is about 325.3270427833.

The spelling of 34431861 in words is "thirty-four million, four hundred thirty-one thousand, eight hundred sixty-one".

Divisors: 1 3 2671 4297 8013 12891 11477287 34431861