Search a number
-
+
27804252 = 22371911733
BaseRepresentation
bin110101000010…
…0001001011100
31221022121021010
41222010021130
524104214002
62431535220
7455221650
oct152041134
957277233
1027804252
1114770823
12938a510
1359b6728
14399aa60
15269346c
hex1a8425c

27804252 has 48 divisors (see below), whose sum is σ = 74575872. Its totient is φ = 7897920.

The previous prime is 27804251. The next prime is 27804269. The reversal of 27804252 is 25240872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27804251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15178 + ... + 16910.

It is an arithmetic number, because the mean of its divisors is an integer number (1553664).

Almost surely, 227804252 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 27804252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37287936).

27804252 is an abundant number, since it is smaller than the sum of its proper divisors (46771620).

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

27804252 is a wasteful number, since it uses less digits than its factorization.

27804252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 27804252 is about 5272.9737340518. The cubic root of 27804252 is about 302.9496152974.

The spelling of 27804252 in words is "twenty-seven million, eight hundred four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 191 382 573 764 1146 1337 1733 2292 2674 3466 4011 5199 5348 6932 8022 10398 12131 16044 20796 24262 36393 48524 72786 145572 331003 662006 993009 1324012 1986018 2317021 3972036 4634042 6951063 9268084 13902126 27804252