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5129388 = 22321112953
BaseRepresentation
bin10011100100010010101100
3100122121012100
4103210102230
52303120023
6301535100
761412325
oct23442254
910577170
105129388
112993870
121874490
1310a7954
1497744c
156b4c43
hex4e44ac

5129388 has 36 divisors (see below), whose sum is σ = 14145768. Its totient is φ = 1554240.

The previous prime is 5129381. The next prime is 5129389. The reversal of 5129388 is 8839215.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5129381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6081 + ... + 6872.

It is an arithmetic number, because the mean of its divisors is an integer number (392938).

Almost surely, 25129388 is an apocalyptic number.

It is an amenable number.

5129388 is an abundant number, since it is smaller than the sum of its proper divisors (9016380).

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

5129388 is a wasteful number, since it uses less digits than its factorization.

5129388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974 (or 12969 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 5129388 is about 2264.8152242512. The cubic root of 5129388 is about 172.4600537622.

The spelling of 5129388 in words is "five million, one hundred twenty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 12953 25906 38859 51812 77718 116577 142483 155436 233154 284966 427449 466308 569932 854898 1282347 1709796 2564694 5129388