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2772252 = 2233719193
BaseRepresentation
bin1010100100110100011100
312012211211000
422210310130
51202203002
6135230300
732364240
oct12446434
95184730
102772252
11162391a
12b18390
13760ab2
14522420
1539b61c
hex2a4d1c

2772252 has 96 divisors (see below), whose sum is σ = 8691200. Its totient is φ = 746496.

The previous prime is 2772247. The next prime is 2772257. The reversal of 2772252 is 2522772.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2772247) and next prime (2772257).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772257) 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, 14268 + ... + 14460.

22772252 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 2772252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4345600).

2772252 is an abundant number, since it is smaller than the sum of its proper divisors (5918948).

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

2772252 is a wasteful number, since it uses less digits than its factorization.

2772252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 224 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 2772252 is about 1665.0081080884. The cubic root of 2772252 is about 140.4788365771.

Subtracting from 2772252 its sum of digits (27), we obtain a square (2772225 = 16652).

The spelling of 2772252 in words is "two million, seven hundred seventy-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 54 57 63 76 84 108 114 126 133 171 189 193 228 252 266 342 378 386 399 513 532 579 684 756 772 798 1026 1158 1197 1351 1596 1737 2052 2316 2394 2702 3474 3591 3667 4053 4788 5211 5404 6948 7182 7334 8106 10422 11001 12159 14364 14668 16212 20844 22002 24318 25669 33003 36477 44004 48636 51338 66006 72954 77007 99009 102676 132012 145908 154014 198018 231021 308028 396036 462042 693063 924084 1386126 2772252