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111141040 = 2457319031
BaseRepresentation
bin1101001111111…
…10000010110000
321202010112211211
412213332002300
5211423003130
615010045504
72516453233
oct647760260
9252115754
10111141040
11578109aa
1231279894
131a04483a
1410a9141a
159b55a2a
hex69fe0b0

111141040 has 40 divisors (see below), whose sum is σ = 261956448. Its totient is φ = 43845120.

The previous prime is 111141031. The next prime is 111141047. The reversal of 111141040 is 40141111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 111141040.

It is not an unprimeable number, because it can be changed into a prime (111141047) 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, 3676 + ... + 15355.

Almost surely, 2111141040 is an apocalyptic number.

111141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111141040 is an abundant number, since it is smaller than the sum of its proper divisors (150815408).

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

111141040 is a wasteful number, since it uses less digits than its factorization.

111141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19117 (or 19111 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111141040 is about 10542.3450901590. The cubic root of 111141040 is about 480.7930178212.

Adding to 111141040 its reverse (40141111), we get a palindrome (151282151).

The spelling of 111141040 in words is "one hundred eleven million, one hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 73 80 146 292 365 584 730 1168 1460 2920 5840 19031 38062 76124 95155 152248 190310 304496 380620 761240 1389263 1522480 2778526 5557052 6946315 11114104 13892630 22228208 27785260 55570520 111141040