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224428830 = 23515114951
BaseRepresentation
bin11010110000010…
…00001100011110
3120122022011110220
431120020030132
5424423210310
634134142210
75363420313
oct1530101436
9518264426
10224428830
1110575877a
12631b1966
133765b532
1421b40d0a
1514a82670
hexd60831e

224428830 has 32 divisors (see below), whose sum is σ = 539094528. Its totient is φ = 59796000.

The previous prime is 224428829. The next prime is 224428837. The reversal of 224428830 is 38824422.

It is a junction number, because it is equal to n+sod(n) for n = 224428791 and 224428800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224428837) 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, 42855 + ... + 47805.

It is an arithmetic number, because the mean of its divisors is an integer number (16846704).

Almost surely, 2224428830 is an apocalyptic number.

224428830 is an abundant number, since it is smaller than the sum of its proper divisors (314665698).

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

224428830 is a wasteful number, since it uses less digits than its factorization.

224428830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 224428830 is about 14980.9489018553. The cubic root of 224428830 is about 607.7051010294.

The spelling of 224428830 in words is "two hundred twenty-four million, four hundred twenty-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1511 3022 4533 4951 7555 9066 9902 14853 15110 22665 24755 29706 45330 49510 74265 148530 7480961 14961922 22442883 37404805 44885766 74809610 112214415 224428830