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401420310 = 23514539209
BaseRepresentation
bin10111111011010…
…011000000010110
31000222100021010220
4113323103000112
51310230422220
6103455455210
712643005414
oct2773230026
91028307126
10401420310
11196656025
12b2527506
136521ac15
143b4542b4
1525394540
hex17ed3016

401420310 has 32 divisors (see below), whose sum is σ = 964176480. Its totient is φ = 106960128.

The previous prime is 401420281. The next prime is 401420317. The reversal of 401420310 is 13024104.

It is a super-2 number, since 2×4014203102 = 322276530560992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 401420310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401420317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38986 + ... + 48194.

It is an arithmetic number, because the mean of its divisors is an integer number (30130515).

Almost surely, 2401420310 is an apocalyptic number.

401420310 is an abundant number, since it is smaller than the sum of its proper divisors (562756170).

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

401420310 is a wasteful number, since it uses less digits than its factorization.

401420310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401420310 is about 20035.4762858286. The cubic root of 401420310 is about 737.6773473717.

Adding to 401420310 its reverse (13024104), we get a palindrome (414444414).

The spelling of 401420310 in words is "four hundred one million, four hundred twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1453 2906 4359 7265 8718 9209 14530 18418 21795 27627 43590 46045 55254 92090 138135 276270 13380677 26761354 40142031 66903385 80284062 133806770 200710155 401420310