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1406988000 = 2532531121719
BaseRepresentation
bin101001111011100…
…1110111011100000
310122001111101200200
41103313032323200
510340142104000
6351340345200
746603125555
oct12367167340
93561441620
101406988000
11662231a00
12333245200
131956573a2
14d4c10a2c
15837c5500
hex53dceee0

1406988000 has 864 divisors, whose sum is σ = 6117340320. Its totient is φ = 304128000.

The previous prime is 1406987977. The next prime is 1406988001. The reversal of 1406988000 is 8896041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406988001) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 74051991 + ... + 74052009.

It is an arithmetic number, because the mean of its divisors is an integer number (7080255).

Almost surely, 21406988000 is an apocalyptic number.

1406988000 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 1406988000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058670160).

1406988000 is an abundant number, since it is smaller than the sum of its proper divisors (4710352320).

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

1406988000 is a wasteful number, since it uses less digits than its factorization.

1406988000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1406988000 is about 37509.8387093306. The cubic root of 1406988000 is about 1120.5471391322.

The spelling of 1406988000 in words is "one billion, four hundred six million, nine hundred eighty-eight thousand".