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401930526 = 23201133311
BaseRepresentation
bin10111111101001…
…111100100011110
31001000022012000210
4113331033210132
51310343234101
6103514433250
712650232054
oct2775174436
91030265023
10401930526
11196974398
12b2732826
136536921a
143b5481d4
15254457d6
hex17f4f91e

401930526 has 16 divisors (see below), whose sum is σ = 804284928. Its totient is φ = 133906200.

The previous prime is 401930483. The next prime is 401930537. The reversal of 401930526 is 625039104.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401930493 and 401930502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4590 + ... + 28721.

It is an arithmetic number, because the mean of its divisors is an integer number (50267808).

Almost surely, 2401930526 is an apocalyptic number.

401930526 is an abundant number, since it is smaller than the sum of its proper divisors (402354402).

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

401930526 is a wasteful number, since it uses less digits than its factorization.

401930526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35327.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 401930526 is about 20048.2050568124. The cubic root of 401930526 is about 737.9897509611.

The spelling of 401930526 in words is "four hundred one million, nine hundred thirty thousand, five hundred twenty-six".

Divisors: 1 2 3 6 2011 4022 6033 12066 33311 66622 99933 199866 66988421 133976842 200965263 401930526