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2001491480 = 23550037287
BaseRepresentation
bin111011101001100…
…0101011000011000
312011111011022011002
41313103011120120
513044340211410
6530334524132
7100412253062
oct16723053030
95144138132
102001491480
1193787619a
1247a366648
1325b87a1b1
1414db66732
15baaa97a5
hex774c5618

2001491480 has 16 divisors (see below), whose sum is σ = 4503355920. Its totient is φ = 800596576.

The previous prime is 2001491467. The next prime is 2001491509. The reversal of 2001491480 is 841941002.

It is a super-3 number, since 3×20014914803 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25018604 + ... + 25018683.

It is an arithmetic number, because the mean of its divisors is an integer number (281459745).

Almost surely, 22001491480 is an apocalyptic number.

2001491480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001491480 is an abundant number, since it is smaller than the sum of its proper divisors (2501864440).

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

2001491480 is a wasteful number, since it uses less digits than its factorization.

2001491480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50037298 (or 50037294 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2001491480 is about 44738.0316956390. The cubic root of 2001491480 is about 1260.2341632486.

The spelling of 2001491480 in words is "two billion, one million, four hundred ninety-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 50037287 100074574 200149148 250186435 400298296 500372870 1000745740 2001491480