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890928 = 243223269
BaseRepresentation
bin11011001100000110000
31200021010100
43121200300
5212002203
631032400
710400313
oct3314060
91607110
10890928
11559405
1236b700
1325269c
1419297a
15128ea3
hexd9830

890928 has 60 divisors (see below), whose sum is σ = 2611440. Its totient is φ = 283008.

The previous prime is 890927. The next prime is 890933. The reversal of 890928 is 829098.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 890892 and 890901.

It is not an unprimeable number, because it can be changed into a prime (890927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3178 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (43524).

2890928 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 890928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305720).

890928 is an abundant number, since it is smaller than the sum of its proper divisors (1720512).

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

890928 is a wasteful number, since it uses less digits than its factorization.

890928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 890928 is about 943.8898240791. The cubic root of 890928 is about 96.2234378831.

The spelling of 890928 in words is "eight hundred ninety thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 92 138 144 184 207 269 276 368 414 538 552 807 828 1076 1104 1614 1656 2152 2421 3228 3312 4304 4842 6187 6456 9684 12374 12912 18561 19368 24748 37122 38736 49496 55683 74244 98992 111366 148488 222732 296976 445464 890928