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228330762 = 23119773541
BaseRepresentation
bin11011001110000…
…00110100001010
3120220122101220220
431213000310022
5431423041022
634353530510
75441531232
oct1547006412
9526571826
10228330762
11107983310
1264573a36
13383c657a
1422478cc2
15150a385c
hexd9c0d0a

228330762 has 32 divisors (see below), whose sum is σ = 498826944. Its totient is φ = 69100800.

The previous prime is 228330749. The next prime is 228330769. The reversal of 228330762 is 267033822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (228330769) 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, 62712 + ... + 66252.

It is an arithmetic number, because the mean of its divisors is an integer number (15588342).

Almost surely, 2228330762 is an apocalyptic number.

228330762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228330762 is an abundant number, since it is smaller than the sum of its proper divisors (270496182).

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

228330762 is a wasteful number, since it uses less digits than its factorization.

228330762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 228330762 is about 15110.6175254356. The cubic root of 228330762 is about 611.2067502572.

The spelling of 228330762 in words is "two hundred twenty-eight million, three hundred thirty thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 11 22 33 66 977 1954 2931 3541 5862 7082 10623 10747 21246 21494 32241 38951 64482 77902 116853 233706 3459557 6919114 10378671 20757342 38055127 76110254 114165381 228330762