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34640641 = 75393371
BaseRepresentation
bin1000010000100…
…1001100000001
32102011221000201
42010021030001
532332000031
63234245201
7600304060
oct204111401
972157021
1034640641
1118610032
12b726801
13723b329
14485a1d7
153093d61
hex2109301

34640641 has 8 divisors (see below), whose sum is σ = 40336704. Its totient is φ = 29131440.

The previous prime is 34640633. The next prime is 34640657. The reversal of 34640641 is 14604643.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34640641 - 23 = 34640633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34640681) 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, 46315 + ... + 47056.

It is an arithmetic number, because the mean of its divisors is an integer number (5042088).

Almost surely, 234640641 is an apocalyptic number.

It is an amenable number.

34640641 is a deficient number, since it is larger than the sum of its proper divisors (5696063).

34640641 is an equidigital number, since it uses as much as digits as its factorization.

34640641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93431.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 34640641 is about 5885.6300427397. The cubic root of 34640641 is about 325.9832659808.

The spelling of 34640641 in words is "thirty-four million, six hundred forty thousand, six hundred forty-one".

Divisors: 1 7 53 371 93371 653597 4948663 34640641