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1492933680 = 2437572353
BaseRepresentation
bin101100011111100…
…0101110000110000
310212001012220000000
41120333011300300
511024142334210
6404050430000
751665504220
oct13077056060
93761186000
101492933680
116a67a4197
12357b92300
131aa3b9b14
141023c4080
158b100ac0
hex58fc5c30

1492933680 has 640 divisors, whose sum is σ = 6325309440. Its totient is φ = 320246784.

The previous prime is 1492933667. The next prime is 1492933691. The reversal of 1492933680 is 863392941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28168534 + ... + 28168586.

It is an arithmetic number, because the mean of its divisors is an integer number (9883296).

Almost surely, 21492933680 is an apocalyptic number.

1492933680 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 1492933680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3162654720).

1492933680 is an abundant number, since it is smaller than the sum of its proper divisors (4832375760).

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

1492933680 is an equidigital number, since it uses as much as digits as its factorization.

1492933680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1492933680 is about 38638.4999708840. The cubic root of 1492933680 is about 1142.9138753385.

The spelling of 1492933680 in words is "one billion, four hundred ninety-two million, nine hundred thirty-three thousand, six hundred eighty".