Search a number
-
+
216125336 = 2373859381
BaseRepresentation
bin11001110000111…
…00111110011000
3120001200022020002
430320130332120
5420312002321
633240152132
75233015010
oct1470347630
9501608202
10216125336
11100aa7189
1260468648
1335a11c1b
14209bcc40
1513e9220b
hexce1cf98

216125336 has 16 divisors (see below), whose sum is σ = 463125840. Its totient is φ = 92625120.

The previous prime is 216125321. The next prime is 216125339. The reversal of 216125336 is 633521612.

It is a super-2 number, since 2×2161253362 = 93420321722225792, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 216125299 and 216125308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216125339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929635 + ... + 1929746.

It is an arithmetic number, because the mean of its divisors is an integer number (28945365).

Almost surely, 2216125336 is an apocalyptic number.

It is an amenable number.

216125336 is an abundant number, since it is smaller than the sum of its proper divisors (247000504).

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

216125336 is a wasteful number, since it uses less digits than its factorization.

216125336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859394 (or 3859390 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 216125336 is about 14701.2018556307. The cubic root of 216125336 is about 600.1160294124.

Adding to 216125336 its reverse (633521612), we get a palindrome (849646948).

The spelling of 216125336 in words is "two hundred sixteen million, one hundred twenty-five thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 3859381 7718762 15437524 27015667 30875048 54031334 108062668 216125336