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7242912 = 253383101
BaseRepresentation
bin11011101000010010100000
3111121222102000
4123220102200
53323233122
6415124000
7115364235
oct33502240
914558360
107242912
1140a7786
122513600
131667961
14d6778c
159810ac
hex6e84a0

7242912 has 96 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 2361600.

The previous prime is 7242887. The next prime is 7242943. The reversal of 7242912 is 2192427.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71662 + ... + 71762.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

Almost surely, 27242912 is an apocalyptic number.

7242912 is a gapful number since it is divisible by the number (72) 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 7242912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10795680).

7242912 is an abundant number, since it is smaller than the sum of its proper divisors (14348448).

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

7242912 is a wasteful number, since it uses less digits than its factorization.

7242912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 189 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7242912 is about 2691.2658731534. The cubic root of 7242912 is about 193.4807384228.

The spelling of 7242912 in words is "seven million, two hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 83 96 101 108 144 166 202 216 249 288 303 332 404 432 498 606 664 747 808 864 909 996 1212 1328 1494 1616 1818 1992 2241 2424 2656 2727 2988 3232 3636 3984 4482 4848 5454 5976 7272 7968 8383 8964 9696 10908 11952 14544 16766 17928 21816 23904 25149 29088 33532 35856 43632 50298 67064 71712 75447 87264 100596 134128 150894 201192 226341 268256 301788 402384 452682 603576 804768 905364 1207152 1810728 2414304 3621456 7242912