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110021140 = 2255501057
BaseRepresentation
bin1101000111011…
…00101000010100
321200000122122001
412203230220110
5211131134030
614530045044
72504110225
oct643545024
9250018561
10110021140
1157116569
1230a19784
1319a41b88
141087d24c
1599d3cca
hex68eca14

110021140 has 12 divisors (see below), whose sum is σ = 231044436. Its totient is φ = 44008448.

The previous prime is 110021137. The next prime is 110021143. The reversal of 110021140 is 41120011.

It is an interprime number because it is at equal distance from previous prime (110021137) and next prime (110021143).

It can be written as a sum of positive squares in 2 ways, for example, as 67667076 + 42354064 = 8226^2 + 6508^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750509 + ... + 2750548.

It is an arithmetic number, because the mean of its divisors is an integer number (19253703).

Almost surely, 2110021140 is an apocalyptic number.

110021140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021140 is an abundant number, since it is smaller than the sum of its proper divisors (121023296).

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

110021140 is a wasteful number, since it uses less digits than its factorization.

110021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501066 (or 5501064 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 110021140 is about 10489.0962432423. The cubic root of 110021140 is about 479.1726778662.

Adding to 110021140 its reverse (41120011), we get a palindrome (151141151).

The spelling of 110021140 in words is "one hundred ten million, twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5501057 11002114 22004228 27505285 55010570 110021140