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502244442 = 23371969931
BaseRepresentation
bin11101111011111…
…010010001011010
31022000001122212000
4131323322101122
52012033310232
6121500501430
715306002340
oct3573722132
91260048760
10502244442
1123855a757
1212024a876
138008c87b
144a9bb990
152e15d27c
hex1defa45a

502244442 has 64 divisors (see below), whose sum is σ = 1342694400. Its totient is φ = 135943920.

The previous prime is 502244419. The next prime is 502244443. The reversal of 502244442 is 244442205.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (502244443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27784 + ... + 42147.

It is an arithmetic number, because the mean of its divisors is an integer number (20979600).

Almost surely, 2502244442 is an apocalyptic number.

502244442 is an abundant number, since it is smaller than the sum of its proper divisors (840449958).

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

502244442 is a wasteful number, since it uses less digits than its factorization.

502244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69968 (or 69962 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 502244442 is about 22410.8108287050. The cubic root of 502244442 is about 794.8863632521.

Adding to 502244442 its reverse (244442205), we get a palindrome (746686647).

The spelling of 502244442 in words is "five hundred two million, two hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 63 114 126 133 171 189 266 342 378 399 513 798 1026 1197 2394 3591 7182 69931 139862 209793 419586 489517 629379 979034 1258758 1328689 1468551 1888137 2657378 2937102 3776274 3986067 4405653 7972134 8811306 9300823 11958201 13216959 18601646 23916402 26433918 27902469 35874603 55804938 71749206 83707407 167414814 251122221 502244442