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34972657 = 151231607
BaseRepresentation
bin1000010101101…
…0001111110001
32102210210110121
42011122033301
532423111112
63245330241
7603156046
oct205321761
972723417
1034972657
1118817525
12b866981
1373264a5
1449051cd
15310c407
hex215a3f1

34972657 has 4 divisors (see below), whose sum is σ = 35204416. Its totient is φ = 34740900.

The previous prime is 34972607. The next prime is 34972667. The reversal of 34972657 is 75627943.

34972657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75627943 = 599126257.

It is a cyclic number.

It is not a de Polignac number, because 34972657 - 27 = 34972529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34972607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115653 + ... + 115954.

It is an arithmetic number, because the mean of its divisors is an integer number (8801104).

Almost surely, 234972657 is an apocalyptic number.

It is an amenable number.

34972657 is a deficient number, since it is larger than the sum of its proper divisors (231759).

34972657 is a wasteful number, since it uses less digits than its factorization.

34972657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231758.

The product of its digits is 317520, while the sum is 43.

The square root of 34972657 is about 5913.7684263082. The cubic root of 34972657 is about 327.0214271451.

The spelling of 34972657 in words is "thirty-four million, nine hundred seventy-two thousand, six hundred fifty-seven".

Divisors: 1 151 231607 34972657