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27268668 = 22327241449
BaseRepresentation
bin110100000000…
…1011000111100
31220022101120200
41220001120330
523440044133
62412243500
7450531330
oct150013074
956271520
1027268668
1114435399
129170590
135859a0b
14389b7c0
1525d9913
hex1a0163c

27268668 has 72 divisors (see below), whose sum is σ = 79279200. Its totient is φ = 7741440.

The previous prime is 27268651. The next prime is 27268673. The reversal of 27268668 is 86686272.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60508 + ... + 60956.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100).

Almost surely, 227268668 is an apocalyptic number.

27268668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27268668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39639600).

27268668 is an abundant number, since it is smaller than the sum of its proper divisors (52010532).

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

27268668 is a wasteful number, since it uses less digits than its factorization.

27268668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 702 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 27268668 is about 5221.9410184337. The cubic root of 27268668 is about 300.9917842667.

The spelling of 27268668 in words is "twenty-seven million, two hundred sixty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 241 252 449 482 723 898 964 1347 1446 1687 1796 2169 2694 2892 3143 3374 4041 4338 5061 5388 6286 6748 8082 8676 9429 10122 12572 15183 16164 18858 20244 28287 30366 37716 56574 60732 108209 113148 216418 324627 432836 649254 757463 973881 1298508 1514926 1947762 2272389 3029852 3895524 4544778 6817167 9089556 13634334 27268668