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34283820 = 2235571397
BaseRepresentation
bin1000001011001…
…0000100101100
32101111210120010
42002302010230
532234040240
63222453220
7564256554
oct202620454
971453503
1034283820
1118396a3a
12b594210
137144aac
1447a6164
153023280
hex20b212c

34283820 has 24 divisors (see below), whose sum is σ = 95994864. Its totient is φ = 9142336.

The previous prime is 34283813. The next prime is 34283827. The reversal of 34283820 is 2838243.

It is an interprime number because it is at equal distance from previous prime (34283813) and next prime (34283827).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (34283827) 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, 285639 + ... + 285758.

It is an arithmetic number, because the mean of its divisors is an integer number (3999786).

Almost surely, 234283820 is an apocalyptic number.

34283820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34283820 is an abundant number, since it is smaller than the sum of its proper divisors (61711044).

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

34283820 is a wasteful number, since it uses less digits than its factorization.

34283820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571409 (or 571407 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 34283820 is about 5855.2386800198. The cubic root of 34283820 is about 324.8601212649.

The spelling of 34283820 in words is "thirty-four million, two hundred eighty-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 571397 1142794 1714191 2285588 2856985 3428382 5713970 6856764 8570955 11427940 17141910 34283820