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1442140480 = 265112347379
BaseRepresentation
bin101010111110101…
…0101000101000000
310201111122022211101
41111331111011000
510423141443410
6355034024144
750510664124
oct12575250500
93644568741
101442140480
11680061540
12342b78054
1319ca14681
14d9761584
158691ad3a
hex55f55140

1442140480 has 224 divisors, whose sum is σ = 4002877440. Its totient is φ = 489646080.

The previous prime is 1442140471. The next prime is 1442140517. The reversal of 1442140480 is 840412441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3804931 + ... + 3805309.

Almost surely, 21442140480 is an apocalyptic number.

1442140480 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 1442140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001438720).

1442140480 is an abundant number, since it is smaller than the sum of its proper divisors (2560736960).

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

1442140480 is a wasteful number, since it uses less digits than its factorization.

1442140480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 1442140480 is about 37975.5247495015. The cubic root of 1442140480 is about 1129.8024767654.

The spelling of 1442140480 in words is "one billion, four hundred forty-two million, one hundred forty thousand, four hundred eighty".