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72235000 = 235414447
BaseRepresentation
bin1000100111000…
…11011111111000
312000220220210101
410103203133320
5121443010000
611100125144
71534662445
oct423433770
9160826711
1072235000
1137858252
12202367b4
1311c71c06
1498449cc
15651ce6a
hex44e37f8

72235000 has 40 divisors (see below), whose sum is σ = 169258320. Its totient is φ = 28892000.

The previous prime is 72234971. The next prime is 72235001. The reversal of 72235000 is 53227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72235001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2224 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (4231458).

Almost surely, 272235000 is an apocalyptic number.

It is an amenable number.

72235000 is an abundant number, since it is smaller than the sum of its proper divisors (97023320).

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

72235000 is a wasteful number, since it uses less digits than its factorization.

72235000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14473 (or 14454 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 72235000 is about 8499.1176012572. The cubic root of 72235000 is about 416.4688839094.

Adding to 72235000 its reverse (53227), we get a palindrome (72288227).

The spelling of 72235000 in words is "seventy-two million, two hundred thirty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 14447 28894 57788 72235 115576 144470 288940 361175 577880 722350 1444700 1805875 2889400 3611750 7223500 9029375 14447000 18058750 36117500 72235000