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1304016080 = 24519384457
BaseRepresentation
bin100110110111001…
…1011010011010000
310100212201212202212
41031232123103100
510132312003310
6333221331252
744212645103
oct11556332320
93325655685
101304016080
1160a0a0644
12304866b28
1317a212c63
14c528873a
1579735205
hex4db9b4d0

1304016080 has 40 divisors (see below), whose sum is σ = 3047582472. Its totient is φ = 518897664.

The previous prime is 1304016079. The next prime is 1304016083. The reversal of 1304016080 is 806104031.

It can be written as a sum of positive squares in 4 ways, for example, as 86564416 + 1217451664 = 9304^2 + 34892^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304016083) 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, 26789 + ... + 57668.

Almost surely, 21304016080 is an apocalyptic number.

1304016080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304016080 is an abundant number, since it is smaller than the sum of its proper divisors (1743566392).

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

1304016080 is a wasteful number, since it uses less digits than its factorization.

1304016080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84663 (or 84657 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1304016080 is about 36111.1628170570. The cubic root of 1304016080 is about 1092.5156049277.

The spelling of 1304016080 in words is "one billion, three hundred four million, sixteen thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 193 386 772 965 1544 1930 3088 3860 7720 15440 84457 168914 337828 422285 675656 844570 1351312 1689140 3378280 6756560 16300201 32600402 65200804 81501005 130401608 163002010 260803216 326004020 652008040 1304016080