Search a number
-
+
213567996 = 22337481009
BaseRepresentation
bin11001011101011…
…00100111111100
3112212212101012210
430232230213330
5414133133441
633105300420
75202204135
oct1456544774
9485771183
10213567996
11aa60a884
125b634710
1335327bc5
1420514c8c
1513b39616
hexcbac9fc

213567996 has 24 divisors (see below), whose sum is σ = 511794640. Its totient is φ = 69265152.

The previous prime is 213567989. The next prime is 213568007. The reversal of 213567996 is 699765312.

It is a super-3 number, since 3×2135679963 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240061 + ... + 240948.

Almost surely, 2213567996 is an apocalyptic number.

It is an amenable number.

213567996 is an abundant number, since it is smaller than the sum of its proper divisors (298226644).

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

213567996 is a wasteful number, since it uses less digits than its factorization.

213567996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481053 (or 481051 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 213567996 is about 14613.9657861923. The cubic root of 213567996 is about 597.7396397570.

The spelling of 213567996 in words is "two hundred thirteen million, five hundred sixty-seven thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 481009 962018 1443027 1924036 2886054 5772108 17797333 35594666 53391999 71189332 106783998 213567996