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1300290880 = 2657580487
BaseRepresentation
bin100110110000000…
…1101110101000000
310100121201121202111
41031200031311000
510130333302010
6333005425104
744136201340
oct11540156500
93317647674
101300290880
11607a86869
1230356b194
1317950a4b5
14c4998d20
157924b58a
hex4d80dd40

1300290880 has 56 divisors (see below), whose sum is σ = 3538654848. Its totient is φ = 445813248.

The previous prime is 1300290869. The next prime is 1300290899. The reversal of 1300290880 is 880920031.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×13002908802 = 3381512745222348800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288004 + ... + 292483.

Almost surely, 21300290880 is an apocalyptic number.

1300290880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300290880 is an abundant number, since it is smaller than the sum of its proper divisors (2238363968).

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

1300290880 is an equidigital number, since it uses as much as digits as its factorization.

1300290880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580511 (or 580501 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1300290880 is about 36059.5463088486. The cubic root of 1300290880 is about 1091.4742781090.

The spelling of 1300290880 in words is "one billion, three hundred million, two hundred ninety thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 580487 1160974 2321948 2902435 4063409 4643896 5804870 8126818 9287792 11609740 16253636 18575584 20317045 23219480 32507272 37151168 40634090 46438960 65014544 81268180 92877920 130029088 162536360 185755840 260058176 325072720 650145440 1300290880