Search a number
-
+
212799996 = 22323126151
BaseRepresentation
bin11001010111100…
…01000111111100
3112211102100201100
430223301013330
5413434044441
633041013100
75162525103
oct1453610774
9484370640
10212799996
11aa135872
125b324190
1335119476
142039503a
1513a36cb6
hexcaf11fc

212799996 has 54 divisors (see below), whose sum is σ = 555913176. Its totient is φ = 68634000.

The previous prime is 212799989. The next prime is 212800001. The reversal of 212799996 is 699997212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31521 + ... + 37671.

Almost surely, 2212799996 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 212799996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277956588).

212799996 is an abundant number, since it is smaller than the sum of its proper divisors (343113180).

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

212799996 is a wasteful number, since it uses less digits than its factorization.

212799996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223 (or 6187 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 212799996 is about 14587.6658859463. The cubic root of 212799996 is about 597.0222797507.

The spelling of 212799996 in words is "two hundred twelve million, seven hundred ninety-nine thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 961 1116 1922 2883 3844 5766 6151 8649 11532 12302 17298 18453 24604 34596 36906 55359 73812 110718 190681 221436 381362 572043 762724 1144086 1716129 2288172 3432258 5911111 6864516 11822222 17733333 23644444 35466666 53199999 70933332 106399998 212799996