Search a number
-
+
52867668 = 22372471913
BaseRepresentation
bin1100100110101…
…1001001010100
310200110221210210
43021223021110
5102013231133
65125045420
71211240100
oct311531124
9120427723
1052867668
112792a297
1215856870
13ac50759
147042900
154994763
hex326b254

52867668 has 72 divisors (see below), whose sum is σ = 146627712. Its totient is φ = 14775936.

The previous prime is 52867657. The next prime is 52867673. The reversal of 52867668 is 86676825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26680 + ... + 28592.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496).

Almost surely, 252867668 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 52867668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73313856).

52867668 is an abundant number, since it is smaller than the sum of its proper divisors (93760044).

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

52867668 is a wasteful number, since it uses less digits than its factorization.

52867668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1972 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 52867668 is about 7271.0156099406. The cubic root of 52867668 is about 375.3156879462.

It can be divided in two parts, 52867 and 668, that added together give a palindrome (53535).

The spelling of 52867668 in words is "fifty-two million, eight hundred sixty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 49 84 94 98 141 147 188 196 282 294 329 564 588 658 987 1316 1913 1974 2303 3826 3948 4606 5739 6909 7652 9212 11478 13391 13818 22956 26782 27636 40173 53564 80346 89911 93737 160692 179822 187474 269733 281211 359644 374948 539466 562422 629377 1078932 1124844 1258754 1888131 2517508 3776262 4405639 7552524 8811278 13216917 17622556 26433834 52867668