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34013889 = 32721317349
BaseRepresentation
bin1000000111000…
…0001011000001
32101000002021200
42001300023001
532201421024
63213011413
7562053600
oct201601301
971002250
1034013889
1118222158
12b483b69
13707bc80
144735a37
152ebd2c9
hex20702c1

34013889 has 72 divisors (see below), whose sum is σ = 65356200. Its totient is φ = 16837632.

The previous prime is 34013873. The next prime is 34013911. The reversal of 34013889 is 98831043.

It can be written as a sum of positive squares in 4 ways, for example, as 6890625 + 27123264 = 2625^2 + 5208^2 .

It is not a de Polignac number, because 34013889 - 24 = 34013873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34013489) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97287 + ... + 97635.

It is an arithmetic number, because the mean of its divisors is an integer number (907725).

Almost surely, 234013889 is an apocalyptic number.

34013889 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

34013889 is a deficient number, since it is larger than the sum of its proper divisors (31342311).

34013889 is a wasteful number, since it uses less digits than its factorization.

34013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 34013889 is about 5832.1427451667. The cubic root of 34013889 is about 324.0052868365.

The spelling of 34013889 in words is "thirty-four million, thirteen thousand, eight hundred eighty-nine".

Divisors: 1 3 7 9 13 17 21 39 49 51 63 91 117 119 147 153 221 273 349 357 441 637 663 819 833 1047 1071 1547 1911 1989 2443 2499 3141 4537 4641 5733 5933 7329 7497 10829 13611 13923 17101 17799 21987 31759 32487 40833 41531 51303 53397 77129 95277 97461 124593 153909 222313 231387 285831 290717 373779 539903 666939 694161 872151 1619709 2000817 2616453 3779321 4859127 11337963 34013889