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2004772 = 2271123283
BaseRepresentation
bin111101001011100100100
310202212000211
413221130210
51003123042
6110545204
723016550
oct7513444
93685024
102004772
11114a240
12808204
13552673
143a2860
15299017
hex1e9724

2004772 has 48 divisors (see below), whose sum is σ = 4580352. Its totient is φ = 744480.

The previous prime is 2004763. The next prime is 2004773. The reversal of 2004772 is 2774002.

It is a super-2 number, since 2×20047722 = 8038221543968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2004773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6943 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (95424).

22004772 is an apocalyptic number.

2004772 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 2004772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290176).

2004772 is an abundant number, since it is smaller than the sum of its proper divisors (2575580).

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

2004772 is a wasteful number, since it uses less digits than its factorization.

2004772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2004772 is about 1415.8997139628. The cubic root of 2004772 is about 126.0922311188.

Adding to 2004772 its reverse (2774002), we get a palindrome (4778774).

The spelling of 2004772 in words is "two million, four thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 23 28 44 46 77 92 154 161 253 283 308 322 506 566 644 1012 1132 1771 1981 3113 3542 3962 6226 6509 7084 7924 12452 13018 21791 26036 43582 45563 71599 87164 91126 143198 182252 286396 501193 1002386 2004772