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309382414 = 211127110731
BaseRepresentation
bin10010011100001…
…100110100001110
3210120011020212221
4102130030310032
51113200214124
650411045554
710444464355
oct2234146416
9716136787
10309382414
11149702650
12877408ba
134c134523
142d13699c
151c263ce4
hex1270cd0e

309382414 has 16 divisors (see below), whose sum is σ = 510253056. Its totient is φ = 139519800.

The previous prime is 309382379. The next prime is 309382471. The reversal of 309382414 is 414283903.

It is a self number, because there is not a number n which added to its sum of digits gives 309382414.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52572 + ... + 58159.

It is an arithmetic number, because the mean of its divisors is an integer number (31890816).

Almost surely, 2309382414 is an apocalyptic number.

309382414 is a deficient number, since it is larger than the sum of its proper divisors (200870642).

309382414 is a wasteful number, since it uses less digits than its factorization.

309382414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110871.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 309382414 is about 17589.2698540900. The cubic root of 309382414 is about 676.3402098683.

The spelling of 309382414 in words is "three hundred nine million, three hundred eighty-two thousand, four hundred fourteen".

Divisors: 1 2 11 22 127 254 1397 2794 110731 221462 1218041 2436082 14062837 28125674 154691207 309382414