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1224501330 = 2351321714207
BaseRepresentation
bin100100011111100…
…0110100001010010
310011100010010001010
41020333012201102
510001433020310
6321301151350
742226042503
oct11077064122
93140103033
101224501330
11579220a78
122a20bb556
131668c2700
14b88aabaa
157277a320
hex48fc6852

1224501330 has 96 divisors (see below), whose sum is σ = 3369682944. Its totient is φ = 283665408.

The previous prime is 1224501319. The next prime is 1224501337. The reversal of 1224501330 is 331054221.

It is a junction number, because it is equal to n+sod(n) for n = 1224501297 and 1224501306.

It is not an unprimeable number, because it can be changed into a prime (1224501337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79087 + ... + 93293.

It is an arithmetic number, because the mean of its divisors is an integer number (35100864).

Almost surely, 21224501330 is an apocalyptic number.

1224501330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224501330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684841472).

1224501330 is an abundant number, since it is smaller than the sum of its proper divisors (2145181614).

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

1224501330 is a wasteful number, since it uses less digits than its factorization.

1224501330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14260 (or 14247 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1224501330 is about 34992.8754177190. The cubic root of 1224501330 is about 1069.8422715651.

Adding to 1224501330 its reverse (331054221), we get a palindrome (1555555551).

The spelling of 1224501330 in words is "one billion, two hundred twenty-four million, five hundred one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 169 170 195 221 255 338 390 442 507 510 663 845 1014 1105 1326 1690 2210 2535 2873 3315 5070 5746 6630 8619 14207 14365 17238 28414 28730 42621 43095 71035 85242 86190 142070 184691 213105 241519 369382 426210 483038 554073 724557 923455 1108146 1207595 1449114 1846910 2400983 2415190 2770365 3139747 3622785 4801966 5540730 6279494 7202949 7245570 9419241 12004915 14405898 15698735 18838482 24009830 31397470 36014745 40816711 47096205 72029490 81633422 94192410 122450133 204083555 244900266 408167110 612250665 1224501330