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34640193 = 371649533
BaseRepresentation
bin1000010000100…
…1000101000001
32102011220102010
42010021011001
532331441233
63234243133
7600302550
oct204110501
972156363
1034640193
111860a765
12b7264a9
13723b073
144859d97
153093b63
hex2109141

34640193 has 8 divisors (see below), whose sum is σ = 52785088. Its totient is φ = 19794384.

The previous prime is 34640191. The next prime is 34640197. The reversal of 34640193 is 39104643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34640193 - 21 = 34640191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34640193.

It is not an unprimeable number, because it can be changed into a prime (34640191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824746 + ... + 824787.

It is an arithmetic number, because the mean of its divisors is an integer number (6598136).

Almost surely, 234640193 is an apocalyptic number.

It is an amenable number.

34640193 is a deficient number, since it is larger than the sum of its proper divisors (18144895).

34640193 is a wasteful number, since it uses less digits than its factorization.

34640193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649543.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 34640193 is about 5885.5919838195. The cubic root of 34640193 is about 325.9818606842.

The spelling of 34640193 in words is "thirty-four million, six hundred forty thousand, one hundred ninety-three".

Divisors: 1 3 7 21 1649533 4948599 11546731 34640193