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2740672 = 261117229
BaseRepresentation
bin1010011101000111000000
312011020111101
422131013000
51200200142
6134424144
732203204
oct12350700
95136441
102740672
111602120
12b02054
1374c5cc
14514b04
153920b7
hex29d1c0

2740672 has 56 divisors (see below), whose sum is σ = 6309360. Its totient is φ = 1167360.

The previous prime is 2740667. The next prime is 2740721. The reversal of 2740672 is 2760472.

It is a super-3 number, since 3×27406723 = 61757889101771833344, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 219 + 73 + 45 + 0 + 63 + 76 + 221 .

It is a self number, because there is not a number n which added to its sum of digits gives 2740672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11854 + ... + 12082.

22740672 is an apocalyptic number.

2740672 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 2740672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3154680).

2740672 is an abundant number, since it is smaller than the sum of its proper divisors (3568688).

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

2740672 is a wasteful number, since it uses less digits than its factorization.

2740672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2740672 is about 1655.4975083038. The cubic root of 2740672 is about 139.9433784636.

The spelling of 2740672 in words is "two million, seven hundred forty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 136 176 187 229 272 352 374 458 544 704 748 916 1088 1496 1832 2519 2992 3664 3893 5038 5984 7328 7786 10076 11968 14656 15572 20152 31144 40304 42823 62288 80608 85646 124576 161216 171292 249152 342584 685168 1370336 2740672