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34257725 = 529471447
BaseRepresentation
bin1000001010101…
…1101100111101
32101110110202122
42002223230331
532232221400
63222132325
7564120515
oct202535475
971413678
1034257725
1118379377
12b5810a5
137135c58
14479a845
15301a685
hex20abb3d

34257725 has 12 divisors (see below), whose sum is σ = 42553824. Its totient is φ = 27358320.

The previous prime is 34257721. The next prime is 34257733. The reversal of 34257725 is 52775243.

It is not a de Polignac number, because 34257725 - 22 = 34257721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34257721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22952 + ... + 24398.

It is an arithmetic number, because the mean of its divisors is an integer number (3546152).

Almost surely, 234257725 is an apocalyptic number.

It is an amenable number.

34257725 is a deficient number, since it is larger than the sum of its proper divisors (8296099).

34257725 is a wasteful number, since it uses less digits than its factorization.

34257725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2399 counting only the distinct ones).

The product of its digits is 58800, while the sum is 35.

The square root of 34257725 is about 5853.0099094398. The cubic root of 34257725 is about 324.7776783266. Note that the first 3 decimals are identical.

The spelling of 34257725 in words is "thirty-four million, two hundred fifty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 947 1447 4735 7235 23675 36175 1370309 6851545 34257725