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228743060 = 225713125683
BaseRepresentation
bin11011010001001…
…01011110010100
3120221102100111012
431220211132110
5432024234220
634410431352
75445166250
oct1550453624
9527370435
10228743060
11108135057
1264732558
133850c130
1422545260
1515135ac5
hexda25794

228743060 has 48 divisors (see below), whose sum is σ = 591217536. Its totient is φ = 72392832.

The previous prime is 228743057. The next prime is 228743069. The reversal of 228743060 is 60347822.

228743060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228743069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61022 + ... + 64661.

It is an arithmetic number, because the mean of its divisors is an integer number (12317032).

Almost surely, 2228743060 is an apocalyptic number.

228743060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228743060 is an abundant number, since it is smaller than the sum of its proper divisors (362474476).

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

228743060 is a wasteful number, since it uses less digits than its factorization.

228743060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125712 (or 125710 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 228743060 is about 15124.2540311911. The cubic root of 228743060 is about 611.5744154106.

The spelling of 228743060 in words is "two hundred twenty-eight million, seven hundred forty-three thousand, sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 125683 251366 502732 628415 879781 1256830 1633879 1759562 2513660 3267758 3519124 4398905 6535516 8169395 8797810 11437153 16338790 17595620 22874306 32677580 45748612 57185765 114371530 228743060