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27152730 = 23251127427
BaseRepresentation
bin110011110010…
…1000101011010
31220002111112200
41213211011122
523422341410
62405551030
7446536323
oct147450532
956074480
1027152730
1114366280
129115476
135819007
14386b44a
1525b53c0
hex19e515a

27152730 has 48 divisors (see below), whose sum is σ = 77017824. Its totient is φ = 6582240.

The previous prime is 27152711. The next prime is 27152731. The reversal of 27152730 is 3725172.

It is a junction number, because it is equal to n+sod(n) for n = 27152694 and 27152703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27152731) by changing a digit.

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, 12724 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (1604538).

Almost surely, 227152730 is an apocalyptic number.

27152730 is an abundant number, since it is smaller than the sum of its proper divisors (49865094).

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

27152730 is a wasteful number, since it uses less digits than its factorization.

27152730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27451 (or 27448 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27152730 is about 5210.8281491525. The cubic root of 27152730 is about 300.5646034100.

It can be divided in two parts, 2715 and 2730, that added together give a palindrome (5445).

The spelling of 27152730 in words is "twenty-seven million, one hundred fifty-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 27427 54854 82281 137135 164562 246843 274270 301697 411405 493686 603394 822810 905091 1234215 1508485 1810182 2468430 2715273 3016970 4525455 5430546 9050910 13576365 27152730