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27929340 = 2233551721
BaseRepresentation
bin110101010001…
…0101011111100
31221112221212000
41222202223330
524122214330
62434342300
7456252435
oct152425374
957487760
1027929340
11148467aa
12942a990
135a2b64a
1439d048c
1526ba560
hex1aa2afc

27929340 has 48 divisors (see below), whose sum is σ = 86892960. Its totient is φ = 7447680.

The previous prime is 27929333. The next prime is 27929371. The reversal of 27929340 is 4392972.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27929295 and 27929304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25321 + ... + 26400.

It is an arithmetic number, because the mean of its divisors is an integer number (1810270).

Almost surely, 227929340 is an apocalyptic number.

27929340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27929340 is an abundant number, since it is smaller than the sum of its proper divisors (58963620).

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

27929340 is a wasteful number, since it uses less digits than its factorization.

27929340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51739 (or 51731 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 27929340 is about 5284.8216620809. The cubic root of 27929340 is about 303.4032470440.

The spelling of 27929340 in words is "twenty-seven million, nine hundred twenty-nine thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 51721 103442 155163 206884 258605 310326 465489 517210 620652 775815 930978 1034420 1396467 1551630 1861956 2327445 2792934 3103260 4654890 5585868 6982335 9309780 13964670 27929340