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2492672 = 28713107
BaseRepresentation
bin1001100000100100000000
311200122022012
421200210000
51114231142
6125232052
730121160
oct11404400
94618265
102492672
111452866
12a02628
13693770
1448c5a0
15343882
hex260900

2492672 has 72 divisors (see below), whose sum is σ = 6181056. Its totient is φ = 976896.

The previous prime is 2492657. The next prime is 2492701. The reversal of 2492672 is 2762942.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a d-powerful number, because it can be written as 215 + 48 + 95 + 217 + 68 + 73 + 219 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23243 + ... + 23349.

It is an arithmetic number, because the mean of its divisors is an integer number (85848).

22492672 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 2492672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090528).

2492672 is an abundant number, since it is smaller than the sum of its proper divisors (3688384).

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

2492672 is a wasteful number, since it uses less digits than its factorization.

2492672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 129 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 2492672 is about 1578.8198123915. The cubic root of 2492672 is about 135.5881427025.

The spelling of 2492672 in words is "two million, four hundred ninety-two thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 107 112 128 182 208 214 224 256 364 416 428 448 728 749 832 856 896 1391 1456 1498 1664 1712 1792 2782 2912 2996 3328 3424 5564 5824 5992 6848 9737 11128 11648 11984 13696 19474 22256 23296 23968 27392 38948 44512 47936 77896 89024 95872 155792 178048 191744 311584 356096 623168 1246336 2492672