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1304020300 = 2252112514723
BaseRepresentation
bin100110110111001…
…1100010101001100
310100212202002120011
41031232130111030
510132312122200
6333221403004
744212663312
oct11556342514
93325662504
101304020300
1160a0a3830
12304869464
1317a214b5b
14c528a0b2
15797365ba
hex4db9c54c

1304020300 has 72 divisors (see below), whose sum is σ = 3099926592. Its totient is φ = 472200000.

The previous prime is 1304020283. The next prime is 1304020303. The reversal of 1304020300 is 30204031.

It is a super-3 number, since 3×13040203003 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304020303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273739 + ... + 278461.

It is an arithmetic number, because the mean of its divisors is an integer number (43054536).

Almost surely, 21304020300 is an apocalyptic number.

1304020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304020300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549963296).

1304020300 is an abundant number, since it is smaller than the sum of its proper divisors (1795906292).

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

1304020300 is a wasteful number, since it uses less digits than its factorization.

1304020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999 (or 4992 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1304020300 is about 36111.2212476953. The cubic root of 1304020300 is about 1092.5167834435.

Adding to 1304020300 its reverse (30204031), we get a palindrome (1334224331).

The spelling of 1304020300 in words is "one billion, three hundred four million, twenty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 251 275 502 550 1004 1100 1255 2510 2761 4723 5020 5522 6275 9446 11044 12550 13805 18892 23615 25100 27610 47230 51953 55220 69025 94460 103906 118075 138050 207812 236150 259765 276100 472300 519530 1039060 1185473 1298825 2370946 2597650 4741892 5195300 5927365 11854730 13040203 23709460 26080406 29636825 52160812 59273650 65201015 118547300 130402030 260804060 326005075 652010150 1304020300