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34404129 = 331274227
BaseRepresentation
bin1000001100111…
…1011100100001
32101201220121000
42003033130201
532301413004
63225222213
7565300404
oct203173441
971656530
1034404129
1118469371
12b631969
137187796
1447d7d3b
153048c39
hex20cf721

34404129 has 8 divisors (see below), whose sum is σ = 50969120. Its totient is φ = 22936068.

The previous prime is 34404127. The next prime is 34404131. The reversal of 34404129 is 92140443.

It is an interprime number because it is at equal distance from previous prime (34404127) and next prime (34404131).

It is not a de Polignac number, because 34404129 - 21 = 34404127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1274227 = 34404129 / (3 + 4 + 4 + 0 + 4 + 1 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34404127) 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, 637087 + ... + 637140.

It is an arithmetic number, because the mean of its divisors is an integer number (6371140).

Almost surely, 234404129 is an apocalyptic number.

It is an amenable number.

34404129 is a deficient number, since it is larger than the sum of its proper divisors (16564991).

34404129 is a wasteful number, since it uses less digits than its factorization.

34404129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274236 (or 1274230 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 34404129 is about 5865.5033032128. The cubic root of 34404129 is about 325.2396780333.

It can be divided in two parts, 3440 and 4129, that added together give a square (7569 = 872).

The spelling of 34404129 in words is "thirty-four million, four hundred four thousand, one hundred twenty-nine".

Divisors: 1 3 9 27 1274227 3822681 11468043 34404129