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1441472980 = 22572073649
BaseRepresentation
bin101010111101011…
…0010000111010100
310201110101102012011
41111322302013110
510423004113410
6355011434004
750502214063
oct12572620724
93643342164
101441472980
1167a745a92
123428b5904
1319c83c8bc
14d962a1da
158683818a
hex55eb21d4

1441472980 has 12 divisors (see below), whose sum is σ = 3027093300. Its totient is φ = 576589184.

The previous prime is 1441472969. The next prime is 1441473001. The reversal of 1441472980 is 892741441.

It can be written as a sum of positive squares in 2 ways, for example, as 617323716 + 824149264 = 24846^2 + 28708^2 .

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, 36036805 + ... + 36036844.

It is an arithmetic number, because the mean of its divisors is an integer number (252257775).

Almost surely, 21441472980 is an apocalyptic number.

1441472980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441472980 is an abundant number, since it is smaller than the sum of its proper divisors (1585620320).

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

1441472980 is a wasteful number, since it uses less digits than its factorization.

1441472980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72073658 (or 72073656 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1441472980 is about 37966.7351769941. The cubic root of 1441472980 is about 1129.6281387944.

The spelling of 1441472980 in words is "one billion, four hundred forty-one million, four hundred seventy-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 72073649 144147298 288294596 360368245 720736490 1441472980