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401420350 = 2528028407
BaseRepresentation
bin10111111011010…
…011000000111110
31000222100021012101
4113323103000332
51310230422400
6103455455314
712643005502
oct2773230076
91028307171
10401420350
11196656061
12b252753a
136521ac46
143b454302
152539456a
hex17ed303e

401420350 has 12 divisors (see below), whose sum is σ = 746641944. Its totient is φ = 160568120.

The previous prime is 401420339. The next prime is 401420401. The reversal of 401420350 is 53024104.

It is a super-2 number, since 2×4014203502 = 322276594788245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4014154 + ... + 4014253.

It is an arithmetic number, because the mean of its divisors is an integer number (62220162).

Almost surely, 2401420350 is an apocalyptic number.

401420350 is a deficient number, since it is larger than the sum of its proper divisors (345221594).

401420350 is a wasteful number, since it uses less digits than its factorization.

401420350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028419 (or 8028414 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 401420350 is about 20035.4772840579. The cubic root of 401420350 is about 737.6773718739.

Adding to 401420350 its reverse (53024104), we get a palindrome (454444454).

The spelling of 401420350 in words is "four hundred one million, four hundred twenty thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 8028407 16056814 40142035 80284070 200710175 401420350