Search a number
-
+
290752 = 2671159
BaseRepresentation
bin1000110111111000000
3112202211121
41012333000
533301002
610122024
72320450
oct1067700
9482747
10290752
111894a0
12120314
13a2457
1477d60
155b237
hex46fc0

290752 has 56 divisors (see below), whose sum is σ = 731520. Its totient is φ = 111360.

The previous prime is 290737. The next prime is 290761. The reversal of 290752 is 257092.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

290752 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4899 + ... + 4957.

2290752 is an apocalyptic number.

290752 is a gapful number since it is divisible by the number (22) 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 290752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365760).

290752 is an abundant number, since it is smaller than the sum of its proper divisors (440768).

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

290752 is a wasteful number, since it uses less digits than its factorization.

290752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 290752 is about 539.2142431353. The cubic root of 290752 is about 66.2482235195.

The spelling of 290752 in words is "two hundred ninety thousand, seven hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 59 64 77 88 112 118 154 176 224 236 308 352 413 448 472 616 649 704 826 944 1232 1298 1652 1888 2464 2596 3304 3776 4543 4928 5192 6608 9086 10384 13216 18172 20768 26432 36344 41536 72688 145376 290752