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72233304 = 233111321619
BaseRepresentation
bin1000100111000…
…11000101011000
312000220211110120
410103203011120
5121442431204
611100113240
71534654503
oct423430530
9160824416
1072233304
1137856a50
1220235820
1311c71200
14984413a
15651c6d9
hex44e3158

72233304 has 96 divisors (see below), whose sum is σ = 213451200. Its totient is φ = 20192640.

The previous prime is 72233297. The next prime is 72233309. The reversal of 72233304 is 40333227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72233309) 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 23 ways as a sum of consecutive naturals, for example, 43807 + ... + 45425.

It is an arithmetic number, because the mean of its divisors is an integer number (2223450).

Almost surely, 272233304 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 72233304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106725600).

72233304 is an abundant number, since it is smaller than the sum of its proper divisors (141217896).

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

72233304 is a wasteful number, since it uses less digits than its factorization.

72233304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 72233304 is about 8499.0178256079. The cubic root of 72233304 is about 416.4656244703.

The spelling of 72233304 in words is "seventy-two million, two hundred thirty-three thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 169 264 286 312 338 429 507 572 676 858 1014 1144 1352 1619 1716 1859 2028 3238 3432 3718 4056 4857 5577 6476 7436 9714 11154 12952 14872 17809 19428 21047 22308 35618 38856 42094 44616 53427 63141 71236 84188 106854 126282 142472 168376 213708 231517 252564 273611 427416 463034 505128 547222 694551 820833 926068 1094444 1389102 1641666 1852136 2188888 2778204 3009721 3283332 5556408 6019442 6566664 9029163 12038884 18058326 24077768 36116652 72233304