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5128969 = 29475371
BaseRepresentation
bin10011100100001100001001
3100122120121211
4103210030021
52303111334
6301533121
761411156
oct23441411
910576554
105128969
11299351a
1218741a1
1310a76c1
1497722d
156b4a64
hex4e4309

5128969 has 16 divisors (see below), whose sum is σ = 5598720. Its totient is φ = 4688320.

The previous prime is 5128967. The next prime is 5128973. The reversal of 5128969 is 9698215.

It is a cyclic number.

It is not a de Polignac number, because 5128969 - 21 = 5128967 is a prime.

It is a super-2 number, since 2×51289692 = 52612646005922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72204 + ... + 72274.

It is an arithmetic number, because the mean of its divisors is an integer number (349920).

Almost surely, 25128969 is an apocalyptic number.

It is an amenable number.

5128969 is a deficient number, since it is larger than the sum of its proper divisors (469751).

5128969 is a wasteful number, since it uses less digits than its factorization.

5128969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its digits is 38880, while the sum is 40.

The square root of 5128969 is about 2264.7227203347. The cubic root of 5128969 is about 172.4553577680.

The spelling of 5128969 in words is "five million, one hundred twenty-eight thousand, nine hundred sixty-nine".

Divisors: 1 29 47 53 71 1363 1537 2059 2491 3337 3763 72239 96773 109127 176861 5128969