Search a number
-
+
229054490 = 25710331769
BaseRepresentation
bin11011010011100…
…01100000011010
3120222000011200122
431221301200122
5432114220430
634421233242
75450634230
oct1551614032
9528004618
10229054490
11108328035
1264862822
13385bab02
14225c6950
1515197ee5
hexda7181a

229054490 has 32 divisors (see below), whose sum is σ = 475787520. Its totient is φ = 77768064.

The previous prime is 229054489. The next prime is 229054513. The reversal of 229054490 is 94450922.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 229054490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8675 + ... + 23094.

It is an arithmetic number, because the mean of its divisors is an integer number (14868360).

Almost surely, 2229054490 is an apocalyptic number.

229054490 is an abundant number, since it is smaller than the sum of its proper divisors (246733030).

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

229054490 is a wasteful number, since it uses less digits than its factorization.

229054490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31886.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 229054490 is about 15134.5462436110. The cubic root of 229054490 is about 611.8518391253.

The spelling of 229054490 in words is "two hundred twenty-nine million, fifty-four thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 103 206 515 721 1030 1442 3605 7210 31769 63538 158845 222383 317690 444766 1111915 2223830 3272207 6544414 16361035 22905449 32722070 45810898 114527245 229054490