Search a number
-
+
978088 = 231031187
BaseRepresentation
bin11101110110010101000
31211200200111
43232302220
5222244323
632544104
711212366
oct3566250
91750614
10978088
11608941
123b2034
13283267
141b6636
15144c0d
hexeeca8

978088 has 16 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 483888.

The previous prime is 978079. The next prime is 978091. The reversal of 978088 is 880879.

It is a super-2 number, since 2×9780882 = 1913312271488, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 978088.

It is an unprimeable number.

978088 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (115830).

2978088 is an apocalyptic number.

It is an amenable number.

978088 is a deficient number, since it is larger than the sum of its proper divisors (875192).

978088 is a wasteful number, since it uses less digits than its factorization.

978088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 978088 is about 988.9833163406. The cubic root of 978088 is about 99.2641992514.

The spelling of 978088 in words is "nine hundred seventy-eight thousand, eighty-eight".

Divisors: 1 2 4 8 103 206 412 824 1187 2374 4748 9496 122261 244522 489044 978088