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34904440 = 235872611
BaseRepresentation
bin1000010100100…
…1100101111000
32102200022220001
42011021211320
532413420230
63244042344
7602453134
oct205114570
972608801
1034904440
111878024a
12b8333b4
13730141c
1448c83c4
1530e70ca
hex2149978

34904440 has 16 divisors (see below), whose sum is σ = 78535080. Its totient is φ = 13961760.

The previous prime is 34904437. The next prime is 34904447. The reversal of 34904440 is 4440943.

It is a junction number, because it is equal to n+sod(n) for n = 34904399 and 34904408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34904447) 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 3 ways as a sum of consecutive naturals, for example, 436266 + ... + 436345.

Almost surely, 234904440 is an apocalyptic number.

It is an amenable number.

34904440 is an abundant number, since it is smaller than the sum of its proper divisors (43630640).

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

34904440 is a wasteful number, since it uses less digits than its factorization.

34904440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872622 (or 872618 counting only the distinct ones).

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

The square root of 34904440 is about 5907.9979688554. The cubic root of 34904440 is about 326.8086614862.

It can be divided in two parts, 34904 and 440, that added together give a square (35344 = 1882).

The spelling of 34904440 in words is "thirty-four million, nine hundred four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 872611 1745222 3490444 4363055 6980888 8726110 17452220 34904440