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401320068 = 22337988241
BaseRepresentation
bin10111111010111…
…010100010000100
31000222011011122020
4113322322202010
51310214220233
6103453403140
712642110232
oct2772724204
91028134566
10401320068
11196597786
12b24994b0
13651b43c6
143b429952
15253749b3
hex17eba884

401320068 has 24 divisors (see below), whose sum is σ = 938894880. Its totient is φ = 133418880.

The previous prime is 401320063. The next prime is 401320069. The reversal of 401320068 is 860023104.

It is a happy number.

It is a super-2 number, since 2×4013200682 = 322115593959049248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401320063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39573 + ... + 48668.

It is an arithmetic number, because the mean of its divisors is an integer number (39120620).

Almost surely, 2401320068 is an apocalyptic number.

It is an amenable number.

401320068 is an abundant number, since it is smaller than the sum of its proper divisors (537574812).

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

401320068 is a wasteful number, since it uses less digits than its factorization.

401320068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88627 (or 88625 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 401320068 is about 20032.9745170307. The cubic root of 401320068 is about 737.6159384138.

The spelling of 401320068 in words is "four hundred one million, three hundred twenty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 379 758 1137 1516 2274 4548 88241 176482 264723 352964 529446 1058892 33443339 66886678 100330017 133773356 200660034 401320068