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401456030 = 25231745461
BaseRepresentation
bin10111111011011…
…011101110011110
31000222102002010212
4113323123232132
51310233043110
6103500332422
712643214513
oct2773335636
91028362125
10401456030
1119667a948
12b2544112
1365231261
143b46330a
152539ee05
hex17edbb9e

401456030 has 16 divisors (see below), whose sum is σ = 754039584. Its totient is φ = 153600480.

The previous prime is 401456023. The next prime is 401456057. The reversal of 401456030 is 30654104.

It is a happy number.

It is a super-2 number, since 2×4014560302 = 322333888046721800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 401455987 and 401456005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872501 + ... + 872960.

It is an arithmetic number, because the mean of its divisors is an integer number (47127474).

Almost surely, 2401456030 is an apocalyptic number.

401456030 is a deficient number, since it is larger than the sum of its proper divisors (352583554).

401456030 is a wasteful number, since it uses less digits than its factorization.

401456030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745491.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 401456030 is about 20036.3676847876. The cubic root of 401456030 is about 737.6992272257.

The spelling of 401456030 in words is "four hundred one million, four hundred fifty-six thousand, thirty".

Divisors: 1 2 5 10 23 46 115 230 1745461 3490922 8727305 17454610 40145603 80291206 200728015 401456030