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34384818 = 2313440831
BaseRepresentation
bin1000001100101…
…0101110110010
32101200221002210
42003022232302
532300303233
63224552550
7565160166
oct203125662
971627083
1034384818
1118455906
12b622756
13717ba60
1447d0ca6
153043163
hex20cabb2

34384818 has 16 divisors (see below), whose sum is σ = 74059776. Its totient is φ = 10579920.

The previous prime is 34384811. The next prime is 34384837. The reversal of 34384818 is 81848343.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (34384811) 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, 220338 + ... + 220493.

It is an arithmetic number, because the mean of its divisors is an integer number (4628736).

Almost surely, 234384818 is an apocalyptic number.

34384818 is an abundant number, since it is smaller than the sum of its proper divisors (39674958).

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

34384818 is a wasteful number, since it uses less digits than its factorization.

34384818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440849.

The product of its digits is 73728, while the sum is 39.

The square root of 34384818 is about 5863.8569218561. The cubic root of 34384818 is about 325.1788144191.

It can be divided in two parts, 3438 and 4818, that added together give a triangular number (8256 = T128).

The spelling of 34384818 in words is "thirty-four million, three hundred eighty-four thousand, eight hundred eighteen".

Divisors: 1 2 3 6 13 26 39 78 440831 881662 1322493 2644986 5730803 11461606 17192409 34384818