Search a number
-
+
890006680 = 23541542687
BaseRepresentation
bin110101000011000…
…110110010011000
32022000201000122101
4311003012302120
53310320203210
6224151533144
731024634443
oct6503066230
92260630571
10890006680
11417427212
1220a08a1b4
13112507b94
14862b865a
1553205a3a
hex350c6c98

890006680 has 32 divisors (see below), whose sum is σ = 2051360640. Its totient is φ = 347319040.

The previous prime is 890006659. The next prime is 890006701. The reversal of 890006680 is 86600098.

It is an interprime number because it is at equal distance from previous prime (890006659) and next prime (890006701).

It is a super-2 number, since 2×8900066802 = 1584223780889244800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269704 + ... + 272983.

It is an arithmetic number, because the mean of its divisors is an integer number (64105020).

Almost surely, 2890006680 is an apocalyptic number.

It is an amenable number.

890006680 is an abundant number, since it is smaller than the sum of its proper divisors (1161353960).

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

890006680 is a wasteful number, since it uses less digits than its factorization.

890006680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542739 (or 542735 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 890006680 is about 29832.9797371969. The cubic root of 890006680 is about 961.9025781534.

The spelling of 890006680 in words is "eight hundred ninety million, six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 542687 1085374 2170748 2713435 4341496 5426870 10853740 21707480 22250167 44500334 89000668 111250835 178001336 222501670 445003340 890006680