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34388988 = 2232865749
BaseRepresentation
bin1000001100101…
…1101111111100
32101201010211020
42003023233330
532300421423
63225024140
7565205304
oct203135774
971633736
1034388988
1118458a57
12b625050
13718091a
1447d2604
1530444e3
hex20cbbfc

34388988 has 12 divisors (see below), whose sum is σ = 80241000. Its totient is φ = 11462992.

The previous prime is 34388987. The next prime is 34388999. The reversal of 34388988 is 88988343.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 34388988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34388987) 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, 1432863 + ... + 1432886.

It is an arithmetic number, because the mean of its divisors is an integer number (6686750).

Almost surely, 234388988 is an apocalyptic number.

It is an amenable number.

34388988 is an abundant number, since it is smaller than the sum of its proper divisors (45852012).

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

34388988 is a wasteful number, since it uses less digits than its factorization.

34388988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865756 (or 2865754 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 34388988 is about 5864.2124790973. The cubic root of 34388988 is about 325.1919591820.

The spelling of 34388988 in words is "thirty-four million, three hundred eighty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 2865749 5731498 8597247 11462996 17194494 34388988