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34852020 = 2235782981
BaseRepresentation
bin1000010011110…
…0110010110100
32102120122222120
42010330302310
532410231040
63242555540
7602144250
oct204746264
972518876
1034852020
1118744925
12b808bb0
1372b35c8
1448b3260
1530d67d0
hex213ccb4

34852020 has 48 divisors (see below), whose sum is σ = 111527808. Its totient is φ = 7966080.

The previous prime is 34852019. The next prime is 34852021. The reversal of 34852020 is 2025843.

It is an interprime number because it is at equal distance from previous prime (34852019) and next prime (34852021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34852021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41071 + ... + 41910.

It is an arithmetic number, because the mean of its divisors is an integer number (2323496).

Almost surely, 234852020 is an apocalyptic number.

34852020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34852020 is an abundant number, since it is smaller than the sum of its proper divisors (76675788).

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

34852020 is a wasteful number, since it uses less digits than its factorization.

34852020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83000 (or 82998 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 34852020 is about 5903.5599429497. The cubic root of 34852020 is about 326.6449775039.

Adding to 34852020 its reverse (2025843), we get a palindrome (36877863).

The spelling of 34852020 in words is "thirty-four million, eight hundred fifty-two 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 82981 165962 248943 331924 414905 497886 580867 829810 995772 1161734 1244715 1659620 1742601 2323468 2489430 2904335 3485202 4978860 5808670 6970404 8713005 11617340 17426010 34852020