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402198048 = 25377821
BaseRepresentation
bin10111111110010…
…000111000100000
31001000210210000000
4113332100320200
51310430314143
6103524300000
712652425030
oct2776207040
91030723000
10402198048
1119703738a
12b2841600
1365430c15
143b5b78c0
1525499bd3
hex17f90e20

402198048 has 192 divisors, whose sum is σ = 1358864640. Its totient is φ = 114773760.

The previous prime is 402198037. The next prime is 402198073. The reversal of 402198048 is 840891204.

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

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, 489478 + ... + 490298.

It is an arithmetic number, because the mean of its divisors is an integer number (7077420).

Almost surely, 2402198048 is an apocalyptic number.

402198048 is a gapful number since it is divisible by the number (48) 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 402198048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679432320).

402198048 is an abundant number, since it is smaller than the sum of its proper divisors (956666592).

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

402198048 is an frugal number, since it uses more digits than its factorization.

402198048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 402198048 is about 20054.8759158465. The cubic root of 402198048 is about 738.1534481636.

The spelling of 402198048 in words is "four hundred two million, one hundred ninety-eight thousand, forty-eight".