Search a number
-
+
4278092 = 2272132373
BaseRepresentation
bin10000010100011101001100
322001100102212
4100110131030
52043344332
6231405552
751235400
oct20243514
98040385
104278092
112462215
1215238b8
13b6a320
147d5100
155978b2
hex41474c

4278092 has 72 divisors (see below), whose sum is σ = 9920736. Its totient is φ = 1596672.

The previous prime is 4278091. The next prime is 4278103. The reversal of 4278092 is 2908724.

It is not an unprimeable number, because it can be changed into a prime (4278091) 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, 58568 + ... + 58640.

It is an arithmetic number, because the mean of its divisors is an integer number (137788).

Almost surely, 24278092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4960368).

4278092 is an abundant number, since it is smaller than the sum of its proper divisors (5642644).

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

4278092 is a wasteful number, since it uses less digits than its factorization.

4278092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4278092 is about 2068.3549018483. The cubic root of 4278092 is about 162.3366974844.

The spelling of 4278092 in words is "four million, two hundred seventy-eight thousand, ninety-two".

Divisors: 1 2 4 7 13 14 23 26 28 46 49 52 73 91 92 98 146 161 182 196 292 299 322 364 511 598 637 644 949 1022 1127 1196 1274 1679 1898 2044 2093 2254 2548 3358 3577 3796 4186 4508 6643 6716 7154 8372 11753 13286 14308 14651 21827 23506 26572 29302 43654 46501 47012 58604 82271 87308 93002 152789 164542 186004 305578 329084 611156 1069523 2139046 4278092