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1402490208 = 253717293419
BaseRepresentation
bin101001110011000…
…0100110101100000
310121202000212212210
41103212010311200
510333014141313
6351100122120
746516653510
oct12346046540
93552025783
101402490208
1165a73a719
12331836340
13194741082
14d439d840
15831d79c3
hex53984d60

1402490208 has 192 divisors, whose sum is σ = 4480842240. Its totient is φ = 374956032.

The previous prime is 1402490147. The next prime is 1402490209. The reversal of 1402490208 is 8020942041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402490209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347023 + ... + 3347441.

It is an arithmetic number, because the mean of its divisors is an integer number (23337720).

Almost surely, 21402490208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402490208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240421120).

1402490208 is an abundant number, since it is smaller than the sum of its proper divisors (3078352032).

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

1402490208 is a wasteful number, since it uses less digits than its factorization.

1402490208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1402490208 is about 37449.8358874909. The cubic root of 1402490208 is about 1119.3518273392.

The spelling of 1402490208 in words is "one billion, four hundred two million, four hundred ninety thousand, two hundred eight".