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2905226840 = 23572630671
BaseRepresentation
bin1010110100101010…
…0011111001011000
321111110200211000002
42231022203321120
521422214224330
61200141032132
7131665010045
oct25512437130
97443624002
102905226840
111260a19a1a
12690b55648
13373b80b49
141d7bb61cc
151200c2e45
hexad2a3e58

2905226840 has 16 divisors (see below), whose sum is σ = 6536760480. Its totient is φ = 1162090720.

The previous prime is 2905226827. The next prime is 2905226851. The reversal of 2905226840 is 486225092.

2905226840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×29052268403 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2905226794 and 2905226803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36315296 + ... + 36315375.

It is an arithmetic number, because the mean of its divisors is an integer number (408547530).

Almost surely, 22905226840 is an apocalyptic number.

2905226840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2905226840 is an abundant number, since it is smaller than the sum of its proper divisors (3631533640).

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

2905226840 is a wasteful number, since it uses less digits than its factorization.

2905226840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72630682 (or 72630678 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2905226840 is about 53900.1562149870. The cubic root of 2905226840 is about 1426.8993799886.

The spelling of 2905226840 in words is "two billion, nine hundred five million, two hundred twenty-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 72630671 145261342 290522684 363153355 581045368 726306710 1452613420 2905226840