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72253300 = 22527233443
BaseRepresentation
bin1000100111001…
…11111101110100
312000221211220011
410103213331310
5121444101200
611100350004
71535100010
oct423477564
9160854804
1072253300
113786aa79
1220245304
1311c7a342
14984b540
1565235ba
hex44e7f74

72253300 has 72 divisors (see below), whose sum is σ = 180363456. Its totient is φ = 24610560.

The previous prime is 72253289. The next prime is 72253301. The reversal of 72253300 is 335227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72253301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162879 + ... + 163321.

It is an arithmetic number, because the mean of its divisors is an integer number (2505048).

Almost surely, 272253300 is an apocalyptic number.

72253300 is a gapful number since it is divisible by the number (70) 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 72253300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90181728).

72253300 is an abundant number, since it is smaller than the sum of its proper divisors (108110156).

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

72253300 is a wasteful number, since it uses less digits than its factorization.

72253300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 72253300 is about 8500.1941154305. The cubic root of 72253300 is about 416.5040503203.

Adding to 72253300 its reverse (335227), we get a palindrome (72588527).

The spelling of 72253300 in words is "seventy-two million, two hundred fifty-three thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 233 350 443 466 700 886 932 1165 1631 1772 2215 2330 3101 3262 4430 4660 5825 6202 6524 8155 8860 11075 11650 12404 15505 16310 22150 23300 31010 32620 40775 44300 62020 77525 81550 103219 155050 163100 206438 310100 412876 516095 722533 1032190 1445066 2064380 2580475 2890132 3612665 5160950 7225330 10321900 14450660 18063325 36126650 72253300