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27768048 = 2437112683
BaseRepresentation
bin110100111101…
…1010011110000
31221020202121020
41221323103300
524102034143
62431055440
7455011260
oct151732360
957222536
1027768048
1114746600
129371580
1359a30c9
14398b7a0
152687883
hex1a7b4f0

27768048 has 120 divisors (see below), whose sum is σ = 90244224. Its totient is φ = 7201920.

The previous prime is 27768043. The next prime is 27768113. The reversal of 27768048 is 84086772.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40315 + ... + 40997.

Almost surely, 227768048 is an apocalyptic number.

27768048 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 27768048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45122112).

27768048 is an abundant number, since it is smaller than the sum of its proper divisors (62476176).

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

27768048 is a wasteful number, since it uses less digits than its factorization.

27768048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 27768048 is about 5269.5396383365. The cubic root of 27768048 is about 302.8180676502.

The spelling of 27768048 in words is "twenty-seven million, seven hundred sixty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 121 132 154 168 176 231 242 264 308 336 363 462 484 528 616 683 726 847 924 968 1232 1366 1452 1694 1848 1936 2049 2541 2732 2904 3388 3696 4098 4781 5082 5464 5808 6776 7513 8196 9562 10164 10928 13552 14343 15026 16392 19124 20328 22539 28686 30052 32784 38248 40656 45078 52591 57372 60104 76496 82643 90156 105182 114744 120208 157773 165286 180312 210364 229488 247929 315546 330572 360624 420728 495858 578501 631092 661144 841456 991716 1157002 1262184 1322288 1735503 1983432 2314004 2524368 3471006 3966864 4628008 6942012 9256016 13884024 27768048