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1304490260 = 225503129671
BaseRepresentation
bin100110111000000…
…1111000100010100
310100220121222020002
41031300033010110
510132422142020
6333235430432
744216661413
oct11560170424
93326558202
101304490260
1160a394927
12304a55418
1317a34aa38
14c536d47a
15797ca975
hex4dc0f114

1304490260 has 24 divisors (see below), whose sum is σ = 2744896896. Its totient is φ = 520754720.

The previous prime is 1304490259. The next prime is 1304490361. The reversal of 1304490260 is 620944031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54776 + ... + 74895.

It is an arithmetic number, because the mean of its divisors is an integer number (114370704).

Almost surely, 21304490260 is an apocalyptic number.

1304490260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304490260 is an abundant number, since it is smaller than the sum of its proper divisors (1440406636).

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

1304490260 is a wasteful number, since it uses less digits than its factorization.

1304490260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130183 (or 130181 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1304490260 is about 36117.7277801359. The cubic root of 1304490260 is about 1092.6480128730.

The spelling of 1304490260 in words is "one billion, three hundred four million, four hundred ninety thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 503 1006 2012 2515 5030 10060 129671 259342 518684 648355 1296710 2593420 65224513 130449026 260898052 326122565 652245130 1304490260