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34270157 = 193317729
BaseRepresentation
bin1000001010111…
…0101111001101
32101111002211002
42002232233031
532233121112
63222310045
7564201665
oct202565715
971432732
1034270157
1118387749
12b588325
13713b7cc
1447a11a5
15301e1c2
hex20aebcd

34270157 has 4 divisors (see below), whose sum is σ = 34289820. Its totient is φ = 34250496.

The previous prime is 34270151. The next prime is 34270169. The reversal of 34270157 is 75107243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23174596 + 11095561 = 4814^2 + 3331^2 .

It is a cyclic number.

It is not a de Polignac number, because 34270157 - 214 = 34253773 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 (34270151) 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, 6932 + ... + 10797.

It is an arithmetic number, because the mean of its divisors is an integer number (8572455).

Almost surely, 234270157 is an apocalyptic number.

It is an amenable number.

34270157 is a deficient number, since it is larger than the sum of its proper divisors (19663).

34270157 is a wasteful number, since it uses less digits than its factorization.

34270157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19662.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 34270157 is about 5854.0718307858. The cubic root of 34270157 is about 324.8169604426.

The spelling of 34270157 in words is "thirty-four million, two hundred seventy thousand, one hundred fifty-seven".

Divisors: 1 1933 17729 34270157