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105114440 = 2352699769
BaseRepresentation
bin1100100001111…
…10101101001000
321022210100220102
412100332231020
5203402130230
614232544532
72414313044
oct620765510
9238710812
10105114440
1154375042
122b252148
1318a146c2
14dd63024
159365045
hex643eb48

105114440 has 32 divisors (see below), whose sum is σ = 237411000. Its totient is φ = 41885184.

The previous prime is 105114433. The next prime is 105114461. The reversal of 105114440 is 44411501.

It can be written as a sum of positive squares in 4 ways, for example, as 50324836 + 54789604 = 7094^2 + 7402^2 .

It is a super-2 number, since 2×1051144402 = 22098090993027200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 5876 + ... + 15644.

Almost surely, 2105114440 is an apocalyptic number.

105114440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105114440 is an abundant number, since it is smaller than the sum of its proper divisors (132296560).

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

105114440 is a wasteful number, since it uses less digits than its factorization.

105114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10049 (or 10045 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 105114440 is about 10252.5333454713. The cubic root of 105114440 is about 471.9407303726.

Adding to 105114440 its reverse (44411501), we get a palindrome (149525941).

The spelling of 105114440 in words is "one hundred five million, one hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 269 538 1076 1345 2152 2690 5380 9769 10760 19538 39076 48845 78152 97690 195380 390760 2627861 5255722 10511444 13139305 21022888 26278610 52557220 105114440