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34285425 = 352457139
BaseRepresentation
bin1000001011001…
…0011101110001
32101111212202120
42002302131301
532234113200
63222504453
7564264336
oct202623561
971455676
1034285425
1118398169
12b595129
137145745
1447a698d
1530239a0
hex20b2771

34285425 has 12 divisors (see below), whose sum is σ = 56685360. Its totient is φ = 18285520.

The previous prime is 34285417. The next prime is 34285429. The reversal of 34285425 is 52458243.

It is not a de Polignac number, because 34285425 - 23 = 34285417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34285429) 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, 228495 + ... + 228644.

It is an arithmetic number, because the mean of its divisors is an integer number (4723780).

Almost surely, 234285425 is an apocalyptic number.

It is an amenable number.

34285425 is a deficient number, since it is larger than the sum of its proper divisors (22399935).

34285425 is a wasteful number, since it uses less digits than its factorization.

34285425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457152 (or 457147 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 34285425 is about 5855.3757351685. The cubic root of 34285425 is about 324.8651906374.

The spelling of 34285425 in words is "thirty-four million, two hundred eighty-five thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 457139 1371417 2285695 6857085 11428475 34285425