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34440371 = 729169657
BaseRepresentation
bin1000001101100…
…0010010110011
32101210202022022
42003120102303
532304042441
63230102055
7565511150
oct203302263
971722268
1034440371
1118493619
12b64a92b
13719b124
144807227
15305484b
hex20d84b3

34440371 has 8 divisors (see below), whose sum is σ = 40717920. Its totient is φ = 28502208.

The previous prime is 34440347. The next prime is 34440379. The reversal of 34440371 is 17304443.

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

It is not a de Polignac number, because 34440371 - 218 = 34178227 is a prime.

It is a super-2 number, since 2×344403712 = 2372278309235282, which contains 22 as substring.

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 34440371.

It is not an unprimeable number, because it can be changed into a prime (34440379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84626 + ... + 85031.

It is an arithmetic number, because the mean of its divisors is an integer number (5089740).

Almost surely, 234440371 is an apocalyptic number.

34440371 is a deficient number, since it is larger than the sum of its proper divisors (6277549).

34440371 is a wasteful number, since it uses less digits than its factorization.

34440371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169693.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 34440371 is about 5868.5919094788. The cubic root of 34440371 is about 325.3538426231.

The spelling of 34440371 in words is "thirty-four million, four hundred forty thousand, three hundred seventy-one".

Divisors: 1 7 29 203 169657 1187599 4920053 34440371