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1420202880 = 27325192683
BaseRepresentation
bin101010010100110…
…1001001110000000
310122222100210002200
41110221221032000
510402032443010
6352531513200
750123345115
oct12451511600
93588323080
101420202880
11669738498
12337758800
13198303345
14d689090c
1584a35cc0
hex54a69380

1420202880 has 288 divisors, whose sum is σ = 5183413560. Its totient is φ = 358262784.

The previous prime is 1420202869. The next prime is 1420202881. The reversal of 1420202880 is 882020241.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420202881) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2079019 + ... + 2079701.

Almost surely, 21420202880 is an apocalyptic number.

1420202880 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 1420202880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591706780).

1420202880 is an abundant number, since it is smaller than the sum of its proper divisors (3763210680).

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

1420202880 is a wasteful number, since it uses less digits than its factorization.

1420202880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1420202880 is about 37685.5792047834. The cubic root of 1420202880 is about 1124.0443914704.

The spelling of 1420202880 in words is "one billion, four hundred twenty million, two hundred two thousand, eight hundred eighty".