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34289919 = 332943793
BaseRepresentation
bin1000001011001…
…1100011111111
32101112002221000
42002303203333
532234234134
63222541343
7564313416
oct202634377
971462830
1034289919
11183a0584
12b597853
1371477c1
1447a847d
153024e99
hex20b38ff

34289919 has 16 divisors (see below), whose sum is σ = 52552800. Its totient is φ = 22071168.

The previous prime is 34289917. The next prime is 34289933. The reversal of 34289919 is 91998243.

It is not a de Polignac number, because 34289919 - 21 = 34289917 is a prime.

It is a super-2 number, since 2×342899192 = 2351597090053122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34289917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21114 + ... + 22679.

It is an arithmetic number, because the mean of its divisors is an integer number (3284550).

Almost surely, 234289919 is an apocalyptic number.

34289919 is a deficient number, since it is larger than the sum of its proper divisors (18262881).

34289919 is a wasteful number, since it uses less digits than its factorization.

34289919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43831 (or 43825 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 34289919 is about 5855.7594725193. The cubic root of 34289919 is about 324.8793840387.

The spelling of 34289919 in words is "thirty-four million, two hundred eighty-nine thousand, nine hundred nineteen".

Divisors: 1 3 9 27 29 87 261 783 43793 131379 394137 1182411 1269997 3809991 11429973 34289919