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34272979 = 1319267109
BaseRepresentation
bin1000001010111…
…1011011010011
32101111020200121
42002233123103
532233213404
63222331111
7564213136
oct202573323
971436617
1034272979
1118389884
12b589a97
13713cb90
1447a221d
15301ee54
hex20af6d3

34272979 has 24 divisors (see below), whose sum is σ = 39898320. Its totient is φ = 29253312.

The previous prime is 34272977. The next prime is 34272991. The reversal of 34272979 is 97927243.

It is a happy number.

It is not a de Polignac number, because 34272979 - 21 = 34272977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34272971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314377 + ... + 314485.

It is an arithmetic number, because the mean of its divisors is an integer number (1662430).

Almost surely, 234272979 is an apocalyptic number.

34272979 is a deficient number, since it is larger than the sum of its proper divisors (5625341).

34272979 is a wasteful number, since it uses less digits than its factorization.

34272979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 208 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 34272979 is about 5854.3128546397. The cubic root of 34272979 is about 324.8258759576.

The spelling of 34272979 in words is "thirty-four million, two hundred seventy-two thousand, nine hundred seventy-nine".

Divisors: 1 13 19 67 109 247 361 871 1273 1417 2071 4693 7303 16549 24187 26923 39349 94939 138757 314431 511537 1803841 2636383 34272979