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34478868 = 2234170079
BaseRepresentation
bin1000001110000…
…1101100010100
32101212201010010
42003201230110
532311310433
63231000220
7566031324
oct203415424
971781103
1034478868
111850a536
12b669070
1371b27c8
144817284
153060e63
hex20e1b14

34478868 has 24 divisors (see below), whose sum is σ = 82414080. Its totient is φ = 11212480.

The previous prime is 34478861. The next prime is 34478869. The reversal of 34478868 is 86887443.

It is a super-2 number, since 2×344788682 = 2377584677122848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34548 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (3433920).

Almost surely, 234478868 is an apocalyptic number.

It is an amenable number.

34478868 is an abundant number, since it is smaller than the sum of its proper divisors (47935212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34478868 is a wasteful number, since it uses less digits than its factorization.

34478868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70127 (or 70125 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 34478868 is about 5871.8709113876. The cubic root of 34478868 is about 325.4750229182.

The spelling of 34478868 in words is "thirty-four million, four hundred seventy-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 70079 140158 210237 280316 420474 840948 2873239 5746478 8619717 11492956 17239434 34478868