Search a number
-
+
2263157280 = 253351673137
BaseRepresentation
bin1000011011100101…
…0000101000100000
312211201112022011000
42012321100220200
514113332013110
61012323152000
7110040343116
oct20671205040
95751468130
102263157280
11a6154761a
12531b15600
132a0b45727
141767dbab6
15d3a451c0
hex86e50a20

2263157280 has 192 divisors, whose sum is σ = 7971022080. Its totient is φ = 599703552.

The previous prime is 2263157261. The next prime is 2263157287. The reversal of 2263157280 is 827513622.

2263157280 is a `hidden beast` number, since 2 + 2 + 6 + 3 + 1 + 572 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2263157287) 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 31 ways as a sum of consecutive naturals, for example, 719872 + ... + 723008.

It is an arithmetic number, because the mean of its divisors is an integer number (41515740).

Almost surely, 22263157280 is an apocalyptic number.

2263157280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2263157280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3985511040).

2263157280 is an abundant number, since it is smaller than the sum of its proper divisors (5707864800).

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

2263157280 is a wasteful number, since it uses less digits than its factorization.

2263157280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2263157280 is about 47572.6526483441. The cubic root of 2263157280 is about 1312.9199439889.

The spelling of 2263157280 in words is "two billion, two hundred sixty-three million, one hundred fifty-seven thousand, two hundred eighty".