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34387982 = 285720063
BaseRepresentation
bin1000001100101…
…1100000001110
32101201002102222
42003023200032
532300403412
63225015342
7565202336
oct203134016
971632388
1034387982
1118458222
12b624552
137180325
1447d20c6
153044072
hex20cb80e

34387982 has 8 divisors (see below), whose sum is σ = 51644736. Its totient is φ = 17173072.

The previous prime is 34387963. The next prime is 34387987. The reversal of 34387982 is 28978343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34387987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8318 + ... + 11745.

It is an arithmetic number, because the mean of its divisors is an integer number (6455592).

Almost surely, 234387982 is an apocalyptic number.

34387982 is a deficient number, since it is larger than the sum of its proper divisors (17256754).

34387982 is a wasteful number, since it uses less digits than its factorization.

34387982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922.

The product of its digits is 290304, while the sum is 44.

The square root of 34387982 is about 5864.1267039517. The cubic root of 34387982 is about 325.1887881446.

The spelling of 34387982 in words is "thirty-four million, three hundred eighty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 857 1714 20063 40126 17193991 34387982