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13423860 = 2233524859
BaseRepresentation
bin110011001101…
…010011110100
3221021000002000
4303031103310
511414030420
61155415300
7222046422
oct63152364
927230060
1013423860
1176395aa
1245b4530
132a20118
141ad6112
1512a2690
hexccd4f4

13423860 has 48 divisors (see below), whose sum is σ = 41764800. Its totient is φ = 3579552.

The previous prime is 13423853. The next prime is 13423867. The reversal of 13423860 is 6832431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13423853) and next prime (13423867).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423867) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11890 + ... + 12969.

It is an arithmetic number, because the mean of its divisors is an integer number (870100).

Almost surely, 213423860 is an apocalyptic number.

13423860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423860 is an abundant number, since it is smaller than the sum of its proper divisors (28340940).

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

13423860 is a wasteful number, since it uses less digits than its factorization.

13423860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24877 (or 24869 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 13423860 is about 3663.8586217266. The cubic root of 13423860 is about 237.6616664751.

The spelling of 13423860 in words is "thirteen million, four hundred twenty-three thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 24859 49718 74577 99436 124295 149154 223731 248590 298308 372885 447462 497180 671193 745770 894924 1118655 1342386 1491540 2237310 2684772 3355965 4474620 6711930 13423860