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1090054272 = 27323831487
BaseRepresentation
bin100000011111000…
…1110100010000000
32210222010111100110
41000332032202000
54213023214042
6300055351320
736004210536
oct10076164200
92728114313
101090054272
1150a3419aa
12265082540
13144aaaa38
14a4ab0156
1565a6e09c
hex40f8e880

1090054272 has 128 divisors (see below), whose sum is σ = 3059804160. Its totient is φ = 343135232.

The previous prime is 1090054247. The next prime is 1090054279. The reversal of 1090054272 is 2724500901.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1090054279) 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, 732313 + ... + 733799.

It is an arithmetic number, because the mean of its divisors is an integer number (23904720).

Almost surely, 21090054272 is an apocalyptic number.

1090054272 is a gapful number since it is divisible by the number (12) 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 1090054272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529902080).

1090054272 is an abundant number, since it is smaller than the sum of its proper divisors (1969749888).

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

1090054272 is a wasteful number, since it uses less digits than its factorization.

1090054272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1090054272 is about 33015.9699539480. The cubic root of 1090054272 is about 1029.1595469057.

The spelling of 1090054272 in words is "one billion, ninety million, fifty-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 83 92 96 128 138 166 184 192 249 276 332 368 384 498 552 664 736 996 1104 1328 1472 1487 1909 1992 2208 2656 2944 2974 3818 3984 4416 4461 5312 5727 5948 7636 7968 8832 8922 10624 11454 11896 15272 15936 17844 22908 23792 30544 31872 34201 35688 45816 47584 61088 68402 71376 91632 95168 102603 122176 123421 136804 142752 183264 190336 205206 244352 246842 273608 285504 366528 370263 410412 493684 547216 571008 733056 740526 820824 987368 1094432 1481052 1641648 1974736 2188864 2838683 2962104 3283296 3949472 4377728 5677366 5924208 6566592 7898944 8516049 11354732 11848416 13133184 15797888 17032098 22709464 23696832 34064196 45418928 47393664 68128392 90837856 136256784 181675712 272513568 363351424 545027136 1090054272