Search a number
-
+
530213656 = 23718315171
BaseRepresentation
bin11111100110100…
…110101100011000
31100221200122101211
4133212212230120
52041213314111
6124340152504
716065512260
oct3746465430
91327618354
10530213656
11252323405
12129698734
1385b033bb
14505bc7a0
1531835521
hex1f9a6b18

530213656 has 32 divisors (see below), whose sum is σ = 1137012480. Its totient is φ = 227066400.

The previous prime is 530213633. The next prime is 530213657. The reversal of 530213656 is 656312035.

It is a super-2 number, since 2×5302136562 = 562253042017772672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530213657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99951 + ... + 105121.

It is an arithmetic number, because the mean of its divisors is an integer number (35531640).

Almost surely, 2530213656 is an apocalyptic number.

530213656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

530213656 is an abundant number, since it is smaller than the sum of its proper divisors (606798824).

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

530213656 is a wasteful number, since it uses less digits than its factorization.

530213656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 530213656 is about 23026.3687106760. The cubic root of 530213656 is about 809.3759640046.

The spelling of 530213656 in words is "five hundred thirty million, two hundred thirteen thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 1831 3662 5171 7324 10342 12817 14648 20684 25634 36197 41368 51268 72394 102536 144788 289576 9468101 18936202 37872404 66276707 75744808 132553414 265106828 530213656