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1380040704 = 2143272191
BaseRepresentation
bin101001001000001…
…1100000000000000
310120011210022221200
41102100130000000
510311242300304
6344535021200
746125103200
oct12220340000
93504708850
101380040704
11648aa7009
1232620a800
1318cbb0a43
14d13d8400
1581250e39
hex5241c000

1380040704 has 270 divisors, whose sum is σ = 4661826624. Its totient is φ = 392232960.

The previous prime is 1380040657. The next prime is 1380040721. The reversal of 1380040704 is 4070400831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7225249 + ... + 7225439.

Almost surely, 21380040704 is an apocalyptic number.

1380040704 is a gapful number since it is divisible by the number (14) 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 1380040704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330913312).

1380040704 is an abundant number, since it is smaller than the sum of its proper divisors (3281785920).

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

1380040704 is an equidigital number, since it uses as much as digits as its factorization.

1380040704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1380040704 is about 37148.8990953972. The cubic root of 1380040704 is about 1113.3472276066.

The spelling of 1380040704 in words is "one billion, three hundred eighty million, forty thousand, seven hundred four".