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72468330 = 23511435107
BaseRepresentation
bin1000101000111…
…00011101101010
312001100202212020
410110130131222
5122022441310
611105125310
71536653634
oct424343552
9161322766
1072468330
11379a7590
1220329836
131202418c
1498a5a54
156567170
hex451c76a

72468330 has 64 divisors (see below), whose sum is σ = 194185728. Its totient is φ = 17156160.

The previous prime is 72468317. The next prime is 72468371. The reversal of 72468330 is 3386427.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 72468291 and 72468300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11637 + ... + 16743.

It is an arithmetic number, because the mean of its divisors is an integer number (3034152).

Almost surely, 272468330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72468330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97092864).

72468330 is an abundant number, since it is smaller than the sum of its proper divisors (121717398).

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

72468330 is a wasteful number, since it uses less digits than its factorization.

72468330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 72468330 is about 8512.8332533887. The cubic root of 72468330 is about 416.9168211623.

It can be divided in two parts, 7246 and 8330, that added together give a triangular number (15576 = T176).

The spelling of 72468330 in words is "seventy-two million, four hundred sixty-eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 43 55 66 86 110 129 165 215 258 330 430 473 645 946 1290 1419 2365 2838 4730 5107 7095 10214 14190 15321 25535 30642 51070 56177 76605 112354 153210 168531 219601 280885 337062 439202 561770 658803 842655 1098005 1317606 1685310 2196010 2415611 3294015 4831222 6588030 7246833 12078055 14493666 24156110 36234165 72468330