Search a number
-
+
34442440 = 2351945319
BaseRepresentation
bin1000001101100…
…0110011001000
32101210212010221
42003120303020
532304124230
63230115424
7565520164
oct203306310
971725127
1034442440
111849512a
12b64bb74
13719c056
144807ca4
15305527a
hex20d8cc8

34442440 has 32 divisors (see below), whose sum is σ = 81576000. Its totient is φ = 13051584.

The previous prime is 34442437. The next prime is 34442453. The reversal of 34442440 is 4424443.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21900 + ... + 23419.

It is an arithmetic number, because the mean of its divisors is an integer number (2549250).

Almost surely, 234442440 is an apocalyptic number.

It is an amenable number.

34442440 is an abundant number, since it is smaller than the sum of its proper divisors (47133560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34442440 is a wasteful number, since it uses less digits than its factorization.

34442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45349 (or 45345 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 34442440 is about 5868.7681842104. The cubic root of 34442440 is about 325.3603576867.

Adding to 34442440 its reverse (4424443), we get a palindrome (38866883).

The spelling of 34442440 in words is "thirty-four million, four hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 45319 90638 181276 226595 362552 453190 861061 906380 1722122 1812760 3444244 4305305 6888488 8610610 17221220 34442440