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34640741 = 61567881
BaseRepresentation
bin1000010000100…
…1001101100101
32102011221011102
42010021031211
532332000431
63234245445
7600304262
oct204111545
972157142
1034640741
1118610113
12b726885
13723b3a5
14485a269
153093dcb
hex2109365

34640741 has 4 divisors (see below), whose sum is σ = 35208684. Its totient is φ = 34072800.

The previous prime is 34640731. The next prime is 34640779. The reversal of 34640741 is 14704643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14704643 = 17864979.

It can be written as a sum of positive squares in 2 ways, for example, as 9740641 + 24900100 = 3121^2 + 4990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34640741 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 (34640731) 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, 283880 + ... + 284001.

It is an arithmetic number, because the mean of its divisors is an integer number (8802171).

Almost surely, 234640741 is an apocalyptic number.

It is an amenable number.

34640741 is a deficient number, since it is larger than the sum of its proper divisors (567943).

34640741 is an equidigital number, since it uses as much as digits as its factorization.

34640741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567942.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 34640741 is about 5885.6385380008. The cubic root of 34640741 is about 325.9835796615.

The spelling of 34640741 in words is "thirty-four million, six hundred forty thousand, seven hundred forty-one".

Divisors: 1 61 567881 34640741