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34381600 = 2552113907
BaseRepresentation
bin1000001100100…
…1111100100000
32101200202200121
42003021330200
532300202400
63224530024
7565144621
oct203117440
971622617
1034381600
1118453450
12b620914
13717a456
1447cda48
15304221a
hex20c9f20

34381600 has 72 divisors (see below), whose sum is σ = 91587888. Its totient is φ = 12499200.

The previous prime is 34381597. The next prime is 34381609. The reversal of 34381600 is 618343.

34381600 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (34381609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6847 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (1272054).

Almost surely, 234381600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34381600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45793944).

34381600 is an abundant number, since it is smaller than the sum of its proper divisors (57206288).

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

34381600 is a wasteful number, since it uses less digits than its factorization.

34381600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 34381600 is about 5863.5825226563. The cubic root of 34381600 is about 325.1686698443.

Adding to 34381600 its reverse (618343), we get a palindrome (34999943).

The spelling of 34381600 in words is "thirty-four million, three hundred eighty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 3907 4400 7814 8800 15628 19535 31256 39070 42977 62512 78140 85954 97675 125024 156280 171908 195350 214885 312560 343816 390700 429770 625120 687632 781400 859540 1074425 1375264 1562800 1719080 2148850 3125600 3438160 4297700 6876320 8595400 17190800 34381600