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2273849780 = 225113692489
BaseRepresentation
bin1000011110001000…
…0011000110110100
312212110122112111112
42013202003012310
514124101143110
61013344254152
7110230255436
oct20742030664
95773575445
102273849780
11a6758aaa4
12535611358
132a311a557
14177dc2656
15d4958405
hex878831b4

2273849780 has 12 divisors (see below), whose sum is σ = 4775084580. Its totient is φ = 909539904.

The previous prime is 2273849741. The next prime is 2273849803. The reversal of 2273849780 is 879483722.

It can be written as a sum of positive squares in 2 ways, for example, as 1259682064 + 1014167716 = 35492^2 + 31846^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56846225 + ... + 56846264.

It is an arithmetic number, because the mean of its divisors is an integer number (397923715).

Almost surely, 22273849780 is an apocalyptic number.

2273849780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273849780 is an abundant number, since it is smaller than the sum of its proper divisors (2501234800).

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

2273849780 is a wasteful number, since it uses less digits than its factorization.

2273849780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113692498 (or 113692496 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 2273849780 is about 47684.9009645611. The cubic root of 2273849780 is about 1314.9843675704.

The spelling of 2273849780 in words is "two billion, two hundred seventy-three million, eight hundred forty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 113692489 227384978 454769956 568462445 1136924890 2273849780