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107028 = 2233991
BaseRepresentation
bin11010001000010100
312102211000
4122020110
511411103
62143300
7624015
oct321024
9172730
10107028
1173459
1251b30
133993c
142b00c
1521aa3
hex1a214

107028 has 24 divisors (see below), whose sum is σ = 277760. Its totient is φ = 35640.

The previous prime is 107021. The next prime is 107033. The reversal of 107028 is 820701.

It is a super-2 number, since 2×1070282 = 22909985568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 107028.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 107028.

It is not an unprimeable number, because it can be changed into a prime (107021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 603.

2107028 is an apocalyptic number.

107028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

107028 is an abundant number, since it is smaller than the sum of its proper divisors (170732).

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

107028 is a wasteful number, since it uses less digits than its factorization.

107028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 107028 is about 327.1513411252. The cubic root of 107028 is about 47.4787347101.

Adding to 107028 its reverse (820701), we get a palindrome (927729).

The spelling of 107028 in words is "one hundred seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 991 1982 2973 3964 5946 8919 11892 17838 26757 35676 53514 107028