Search a number
-
+
27442932 = 223112967107
BaseRepresentation
bin110100010101…
…1111011110100
31220122020121220
41220223323310
524011133212
62420110340
7452155356
oct150537364
956566556
1027442932
1114544310
1292353b0
1358bb12a
1439050d6
15262138c
hex1a2bef4

27442932 has 96 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 7835520.

The previous prime is 27442931. The next prime is 27442939. The reversal of 27442932 is 23924472.

It is a super-2 number, since 2×274429322 = 1506229033513248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 27442893 and 27442902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27442931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256423 + ... + 256529.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 227442932 is an apocalyptic number.

27442932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27442932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37013760).

27442932 is an abundant number, since it is smaller than the sum of its proper divisors (46584588).

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

27442932 is a wasteful number, since it uses less digits than its factorization.

27442932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 27442932 is about 5238.6001947085. The cubic root of 27442932 is about 301.6315990833.

It can be divided in two parts, 2744 and 2932, that multiplied together give a palindrome (8045408).

The spelling of 27442932 in words is "twenty-seven million, four hundred forty-two thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 29 33 44 58 66 67 87 107 116 132 134 174 201 214 268 319 321 348 402 428 638 642 737 804 957 1177 1276 1284 1474 1914 1943 2211 2354 2948 3103 3531 3828 3886 4422 4708 5829 6206 7062 7169 7772 8844 9309 11658 12412 14124 14338 18618 21373 21507 23316 28676 34133 37236 42746 43014 64119 68266 78859 85492 86028 102399 128238 136532 157718 204798 207901 236577 256476 315436 409596 415802 473154 623703 831604 946308 1247406 2286911 2494812 4573822 6860733 9147644 13721466 27442932