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72380325 = 3523726083
BaseRepresentation
bin1000101000001…
…10111110100101
312001012022010210
410110012332211
5122012132300
611103210033
71536136233
oct424067645
9161168123
1072380325
1137947456
12202a6919
1311cc30c4
149881953
15654b050
hex4506fa5

72380325 has 24 divisors (see below), whose sum is σ = 122907808. Its totient is φ = 37558080.

The previous prime is 72380299. The next prime is 72380401. The reversal of 72380325 is 52308327.

It is not a de Polignac number, because 72380325 - 210 = 72379301 is a prime.

It is a super-2 number, since 2×723803252 = 10477822894211250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72380292 and 72380301.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10267 + ... + 15816.

Almost surely, 272380325 is an apocalyptic number.

72380325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72380325 is a deficient number, since it is larger than the sum of its proper divisors (50527483).

72380325 is a wasteful number, since it uses less digits than its factorization.

72380325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26133 (or 26128 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 72380325 is about 8507.6627225108. The cubic root of 72380325 is about 416.7479859060.

The spelling of 72380325 in words is "seventy-two million, three hundred eighty thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 37 75 111 185 555 925 2775 26083 78249 130415 391245 652075 965071 1956225 2895213 4825355 14476065 24126775 72380325