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622993248 = 2533721057
BaseRepresentation
bin100101001000100…
…001111101100000
31121102021100002000
4211020201331200
52233441240443
6141452524000
721303232563
oct4510417540
91542240060
10622993248
1129a733059
12154780600
139c0b9577
145ca504da
1539a608d3
hex25221f60

622993248 has 48 divisors (see below), whose sum is σ = 1817066160. Its totient is φ = 207664128.

The previous prime is 622993243. The next prime is 622993277. The reversal of 622993248 is 842399226.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622993243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359665 + ... + 361392.

It is an arithmetic number, because the mean of its divisors is an integer number (37855545).

Almost surely, 2622993248 is an apocalyptic number.

It is an amenable number.

622993248 is an abundant number, since it is smaller than the sum of its proper divisors (1194072912).

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

622993248 is a wasteful number, since it uses less digits than its factorization.

622993248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721076 (or 721062 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 622993248 is about 24959.8326917470. The cubic root of 622993248 is about 854.0719261817.

The spelling of 622993248 in words is "six hundred twenty-two million, nine hundred ninety-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 721057 1442114 2163171 2884228 4326342 5768456 6489513 8652684 11536912 12979026 17305368 19468539 23073824 25958052 34610736 38937078 51916104 69221472 77874156 103832208 155748312 207664416 311496624 622993248