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34389238 = 2136121683
BaseRepresentation
bin1000001100101…
…1110011110110
32101201011011111
42003023303312
532300423423
63225025234
7565206112
oct203136366
971634144
1034389238
1118459164
12b62521a
137180a80
1447d2742
15304460d
hex20cbcf6

34389238 has 16 divisors (see below), whose sum is σ = 56465136. Its totient is φ = 15611040.

The previous prime is 34389233. The next prime is 34389247. The reversal of 34389238 is 83298343.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 34389238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34389233) 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, 9256 + ... + 12427.

It is an arithmetic number, because the mean of its divisors is an integer number (3529071).

Almost surely, 234389238 is an apocalyptic number.

34389238 is a deficient number, since it is larger than the sum of its proper divisors (22075898).

34389238 is a wasteful number, since it uses less digits than its factorization.

34389238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21759.

The product of its digits is 124416, while the sum is 40.

The square root of 34389238 is about 5864.2337947937. The cubic root of 34389238 is about 325.1927472036.

The spelling of 34389238 in words is "thirty-four million, three hundred eighty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 13 26 61 122 793 1586 21683 43366 281879 563758 1322663 2645326 17194619 34389238