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405301316 = 227314310859
BaseRepresentation
bin11000001010000…
…110100001000100
31001020122102212212
4120022012201010
51312224120231
6104115002552
713021001330
oct3012064104
91036572785
10405301316
11198866972
12b3899458
1365c79584
143bb847c0
15258ae42b
hex18286844

405301316 has 48 divisors (see below), whose sum is σ = 856289280. Its totient is φ = 164172960.

The previous prime is 405301289. The next prime is 405301319. The reversal of 405301316 is 613103504.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 405301291 and 405301300.

It is not an unprimeable number, because it can be changed into a prime (405301319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31895 + ... + 42753.

It is an arithmetic number, because the mean of its divisors is an integer number (17839360).

Almost surely, 2405301316 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 405301316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428144640).

405301316 is an abundant number, since it is smaller than the sum of its proper divisors (450987964).

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

405301316 is a wasteful number, since it uses less digits than its factorization.

405301316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10944 (or 10942 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 405301316 is about 20132.0966617985. The cubic root of 405301316 is about 740.0470605571.

The spelling of 405301316 in words is "four hundred five million, three hundred one thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 31 43 62 86 124 172 217 301 434 602 868 1204 1333 2666 5332 9331 10859 18662 21718 37324 43436 76013 152026 304052 336629 466937 673258 933874 1346516 1867748 2356403 3268559 4712806 6537118 9425612 13074236 14475047 28950094 57900188 101325329 202650658 405301316