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27137430 = 234533503
BaseRepresentation
bin110011110000…
…1010110010110
31220001201120000
41213201112112
523421344210
62405352130
7446443605
oct147412626
956051500
1027137430
1114355831
129108646
135812068
143865a3c
1525b0ac0
hex19e1596

27137430 has 40 divisors (see below), whose sum is σ = 72971712. Its totient is φ = 7236432.

The previous prime is 27137393. The next prime is 27137437. The reversal of 27137430 is 3473172.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 27137394 and 27137403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27137437) 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 19 ways as a sum of consecutive naturals, for example, 15942 + ... + 17561.

Almost surely, 227137430 is an apocalyptic number.

27137430 is an abundant number, since it is smaller than the sum of its proper divisors (45834282).

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

27137430 is a wasteful number, since it uses less digits than its factorization.

27137430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33522 (or 33513 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 27137430 is about 5209.3598455089. The cubic root of 27137430 is about 300.5081388305.

The spelling of 27137430 in words is "twenty-seven million, one hundred thirty-seven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 33503 67006 100509 167515 201018 301527 335030 502545 603054 904581 1005090 1507635 1809162 2713743 3015270 4522905 5427486 9045810 13568715 27137430