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229422320 = 24531791171
BaseRepresentation
bin11011010110010…
…11010011110000
3120222200212020222
431223023103300
5432213003240
634433152212
75454025511
oct1553132360
9528625228
10229422320
11108559426
12649bb668
13386b936a
1422680a08
151521beb5
hexdacb4f0

229422320 has 80 divisors (see below), whose sum is σ = 558059520. Its totient is φ = 87609600.

The previous prime is 229422313. The next prime is 229422341. The reversal of 229422320 is 23224922.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2294223203 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 229422320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195335 + ... + 196505.

It is an arithmetic number, because the mean of its divisors is an integer number (6975744).

Almost surely, 2229422320 is an apocalyptic number.

229422320 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 229422320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279029760).

229422320 is an abundant number, since it is smaller than the sum of its proper divisors (328637200).

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

229422320 is a wasteful number, since it uses less digits than its factorization.

229422320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 229422320 is about 15146.6933685211. The cubic root of 229422320 is about 612.1791805931.

The spelling of 229422320 in words is "two hundred twenty-nine million, four hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 79 80 124 155 158 248 310 316 395 496 620 632 790 1171 1240 1264 1580 2342 2449 2480 3160 4684 4898 5855 6320 9368 9796 11710 12245 18736 19592 23420 24490 36301 39184 46840 48980 72602 92509 93680 97960 145204 181505 185018 195920 290408 363010 370036 462545 580816 726020 740072 925090 1452040 1480144 1850180 2867779 2904080 3700360 5735558 7400720 11471116 14338895 22942232 28677790 45884464 57355580 114711160 229422320