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34453020 = 2235782031
BaseRepresentation
bin1000001101101…
…1011000011100
32101211101122210
42003123120130
532304444040
63230240420
7565563060
oct203333034
971741583
1034453020
11184a2078
12b656110
1371a3b04
14480baa0
153058480
hex20db61c

34453020 has 48 divisors (see below), whose sum is σ = 110251008. Its totient is φ = 7874880.

The previous prime is 34452989. The next prime is 34453039. The reversal of 34453020 is 2035443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40596 + ... + 41435.

It is an arithmetic number, because the mean of its divisors is an integer number (2296896).

Almost surely, 234453020 is an apocalyptic number.

34453020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34453020 is an abundant number, since it is smaller than the sum of its proper divisors (75797988).

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

34453020 is a wasteful number, since it uses less digits than its factorization.

34453020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82050 (or 82048 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 34453020 is about 5869.6694966582. The cubic root of 34453020 is about 325.3936689173.

Adding to 34453020 its reverse (2035443), we get a palindrome (36488463).

The spelling of 34453020 in words is "thirty-four million, four hundred fifty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 82031 164062 246093 328124 410155 492186 574217 820310 984372 1148434 1230465 1640620 1722651 2296868 2460930 2871085 3445302 4921860 5742170 6890604 8613255 11484340 17226510 34453020