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34283220 = 223517192961
BaseRepresentation
bin1000001011000…
…1111011010100
32101111202201220
42002301323110
532234030340
63222450340
7564255036
oct202617324
971452656
1034283220
1118396544
12b5939b0
13714473a
1447a5c56
153022ed0
hex20b1ed4

34283220 has 192 divisors, whose sum is σ = 112492800. Its totient is φ = 7741440.

The previous prime is 34283219. The next prime is 34283231. The reversal of 34283220 is 2238243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 561990 + ... + 562050.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 234283220 is an apocalyptic number.

34283220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34283220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56246400).

34283220 is an abundant number, since it is smaller than the sum of its proper divisors (78209580).

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

34283220 is a wasteful number, since it uses less digits than its factorization.

34283220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 34283220 is about 5855.1874436264. The cubic root of 34283220 is about 324.8582261318.

The spelling of 34283220 in words is "thirty-four million, two hundred eighty-three thousand, two hundred twenty".