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28370036 = 2214814789
BaseRepresentation
bin110110000111…
…0010001110100
31222101100101002
41230032101310
524230320121
62452022432
7463066322
oct154162164
958340332
1028370036
1115017912
129601a18
135b54106
143aa6d12
152755e0b
hex1b0e474

28370036 has 12 divisors (see below), whose sum is σ = 49691460. Its totient is φ = 14172480.

The previous prime is 28370029. The next prime is 28370077. The reversal of 28370036 is 63007382.

It can be written as a sum of positive squares in 2 ways, for example, as 6280036 + 22090000 = 2506^2 + 4700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28369990 and 28370008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3530 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (4140955).

Almost surely, 228370036 is an apocalyptic number.

It is an amenable number.

28370036 is a deficient number, since it is larger than the sum of its proper divisors (21321424).

28370036 is a wasteful number, since it uses less digits than its factorization.

28370036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274 (or 6272 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 28370036 is about 5326.3529736584. The cubic root of 28370036 is about 304.9907226418.

The spelling of 28370036 in words is "twenty-eight million, three hundred seventy thousand, thirty-six".

Divisors: 1 2 4 1481 2962 4789 5924 9578 19156 7092509 14185018 28370036