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306928401 = 31316194861
BaseRepresentation
bin10010010010110…
…101101100010001
3210101112120121120
4102102311230101
51112033202101
650242312453
710414563663
oct2222655421
9711476546
10306928401
1114828693a
1286958729
134b785550
142ca98533
151be2bb36
hex124b5b11

306928401 has 16 divisors (see below), whose sum is σ = 441080640. Its totient is φ = 188723520.

The previous prime is 306928381. The next prime is 306928417. The reversal of 306928401 is 104829603.

It is not a de Polignac number, because 306928401 - 29 = 306927889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (306928441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60711 + ... + 65571.

It is an arithmetic number, because the mean of its divisors is an integer number (27567540).

Almost surely, 2306928401 is an apocalyptic number.

It is an amenable number.

306928401 is a deficient number, since it is larger than the sum of its proper divisors (134152239).

306928401 is a wasteful number, since it uses less digits than its factorization.

306928401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 306928401 is about 17519.3721634081. The cubic root of 306928401 is about 674.5472233776.

It can be divided in two parts, 30692 and 8401, that added together give a palindrome (39093).

The spelling of 306928401 in words is "three hundred six million, nine hundred twenty-eight thousand, four hundred one".

Divisors: 1 3 13 39 1619 4857 4861 14583 21047 63141 63193 189579 7869959 23609877 102309467 306928401