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401368432 = 2444475641
BaseRepresentation
bin10111111011000…
…110010101110000
31000222020121222111
4113323012111300
51310222242212
6103454415104
712642401233
oct2773062560
91028217874
10401368432
11196620053
12b2501494
136520041a
143b43d41a
1525383ea7
hex17ec6570

401368432 has 20 divisors (see below), whose sum is σ = 777964096. Its totient is φ = 200603520.

The previous prime is 401368421. The next prime is 401368433. The reversal of 401368432 is 234863104.

It is a super-2 number, since 2×4013684322 = 322193236412277248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401368394 and 401368403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401368433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68332 + ... + 73972.

Almost surely, 2401368432 is an apocalyptic number.

It is an amenable number.

401368432 is a deficient number, since it is larger than the sum of its proper divisors (376595664).

401368432 is a wasteful number, since it uses less digits than its factorization.

401368432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096 (or 10090 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 401368432 is about 20034.1815904718. The cubic root of 401368432 is about 737.6455678186.

The spelling of 401368432 in words is "four hundred one million, three hundred sixty-eight thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 4447 5641 8894 11282 17788 22564 35576 45128 71152 90256 25085527 50171054 100342108 200684216 401368432