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34404220 = 2251720211
BaseRepresentation
bin1000001100111…
…1011101111100
32101201220201101
42003033131330
532301413340
63225222444
7565300564
oct203173574
971656641
1034404220
1118469444
12b631a24
137187836
1447d7da4
153048c9a
hex20cf77c

34404220 has 12 divisors (see below), whose sum is σ = 72248904. Its totient is φ = 13761680.

The previous prime is 34404211. The next prime is 34404229. The reversal of 34404220 is 2240443.

It is an interprime number because it is at equal distance from previous prime (34404211) and next prime (34404229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34404229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860086 + ... + 860125.

It is an arithmetic number, because the mean of its divisors is an integer number (6020742).

Almost surely, 234404220 is an apocalyptic number.

It is an amenable number.

34404220 is an abundant number, since it is smaller than the sum of its proper divisors (37844684).

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

34404220 is a wasteful number, since it uses less digits than its factorization.

34404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720220 (or 1720218 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 34404220 is about 5865.5110604277. The cubic root of 34404220 is about 325.2399647895.

Adding to 34404220 its reverse (2240443), we get a palindrome (36644663).

The spelling of 34404220 in words is "thirty-four million, four hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1720211 3440422 6880844 8601055 17202110 34404220