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314909440 = 285347709
BaseRepresentation
bin10010110001010…
…010001100000000
3210221120001112121
4102301102030000
51121104100230
651125334024
710542454216
oct2261221400
9727501477
10314909440
1115183813a
1289567314
135031b161
142db74cb6
151c9a677a
hex12c52300

314909440 has 72 divisors (see below), whose sum is σ = 757547280. Its totient is φ = 125423616.

The previous prime is 314909437. The next prime is 314909467. The reversal of 314909440 is 44909413.

It is a super-2 number, since 2×3149094402 = 198335910802227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 314909396 and 314909405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443806 + ... + 444514.

It is an arithmetic number, because the mean of its divisors is an integer number (10521490).

Almost surely, 2314909440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 314909440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378773640).

314909440 is an abundant number, since it is smaller than the sum of its proper divisors (442637840).

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

314909440 is an equidigital number, since it uses as much as digits as its factorization.

314909440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 314909440 is about 17745.6879269303. The cubic root of 314909440 is about 680.3440012630.

The spelling of 314909440 in words is "three hundred fourteen million, nine hundred nine thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 347 640 694 709 1280 1388 1418 1735 2776 2836 3470 3545 5552 5672 6940 7090 11104 11344 13880 14180 22208 22688 27760 28360 44416 45376 55520 56720 88832 90752 111040 113440 181504 222080 226880 246023 444160 453760 492046 907520 984092 1230115 1968184 2460230 3936368 4920460 7872736 9840920 15745472 19681840 31490944 39363680 62981888 78727360 157454720 314909440