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27272742 = 2371275113
BaseRepresentation
bin110100000001…
…0011000100110
31220022121011120
41220002120212
523440211432
62412314410
7450546240
oct150023046
956277146
1027272742
1114438462
129172a06
13585b823
14389d090
1525dac2c
hex1a02626

27272742 has 32 divisors (see below), whose sum is σ = 62840832. Its totient is φ = 7729344.

The previous prime is 27272723. The next prime is 27272747. The reversal of 27272742 is 24727272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2778 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (1963776).

Almost surely, 227272742 is an apocalyptic number.

27272742 is an abundant number, since it is smaller than the sum of its proper divisors (35568090).

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

27272742 is a wasteful number, since it uses less digits than its factorization.

27272742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252.

The product of its digits is 21952, while the sum is 33.

The square root of 27272742 is about 5222.3310886998. The cubic root of 27272742 is about 301.0067731356.

The spelling of 27272742 in words is "twenty-seven million, two hundred seventy-two thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 127 254 381 762 889 1778 2667 5113 5334 10226 15339 30678 35791 71582 107373 214746 649351 1298702 1948053 3896106 4545457 9090914 13636371 27272742