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420313304 = 231741431753
BaseRepresentation
bin11001000011010…
…111100011011000
31002021220010110102
4121003113203120
51330100011204
6105412434532
713262414135
oct3103274330
91067803412
10420313304
111a628a674
12b8918a48
13691044c8
143db7158c
1526d7741e
hex190d78d8

420313304 has 64 divisors (see below), whose sum is σ = 875175840. Its totient is φ = 188375040.

The previous prime is 420313297. The next prime is 420313379. The reversal of 420313304 is 403313024.

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, 238892 + ... + 240644.

Almost surely, 2420313304 is an apocalyptic number.

It is an amenable number.

420313304 is an abundant number, since it is smaller than the sum of its proper divisors (454862536).

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

420313304 is a wasteful number, since it uses less digits than its factorization.

420313304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 420313304 is about 20501.5439418596. The cubic root of 420313304 is about 749.0734062219.

Adding to 420313304 its reverse (403313024), we get a palindrome (823626328).

The spelling of 420313304 in words is "four hundred twenty million, three hundred thirteen thousand, three hundred four".

Divisors: 1 2 4 8 17 34 41 43 68 82 86 136 164 172 328 344 697 731 1394 1462 1753 1763 2788 2924 3506 3526 5576 5848 7012 7052 14024 14104 29801 29971 59602 59942 71873 75379 119204 119884 143746 150758 238408 239768 287492 301516 574984 603032 1221841 1281443 2443682 2562886 3090539 4887364 5125772 6181078 9774728 10251544 12362156 24724312 52539163 105078326 210156652 420313304