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13110040 = 235487673
BaseRepresentation
bin110010000000…
…101100011000
3220200001121001
4302000230120
511324010130
61144554344
7216301456
oct62005430
926601531
1013110040
117444849
1244829b4
132940328
141a539d6
15123e6ca
hexc80b18

13110040 has 32 divisors (see below), whose sum is σ = 29602080. Its totient is φ = 5225472.

The previous prime is 13109983. The next prime is 13110047. The reversal of 13110040 is 4001131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13109999 and 13110026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110047) 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, 19144 + ... + 19816.

It is an arithmetic number, because the mean of its divisors is an integer number (925065).

Almost surely, 213110040 is an apocalyptic number.

13110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13110040 is an abundant number, since it is smaller than the sum of its proper divisors (16492040).

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

13110040 is a wasteful number, since it uses less digits than its factorization.

13110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 13110040 is about 3620.7789217239. The cubic root of 13110040 is about 235.7950437351.

Adding to 13110040 its reverse (4001131), we get a palindrome (17111171).

The spelling of 13110040 in words is "thirteen million, one hundred ten thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 487 673 974 1346 1948 2435 2692 3365 3896 4870 5384 6730 9740 13460 19480 26920 327751 655502 1311004 1638755 2622008 3277510 6555020 13110040