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36890538 = 2313744879
BaseRepresentation
bin1000110010111…
…0011110101010
32120102020022020
42030232132222
533420444123
63354405310
7625364406
oct214563652
976366266
1036890538
1119907453
1210430836
137848429
144c84106
15338a7e3
hex232e7aa

36890538 has 16 divisors (see below), whose sum is σ = 74321280. Its totient is φ = 12206816.

The previous prime is 36890531. The next prime is 36890549. The reversal of 36890538 is 83509863.

It is a self number, because there is not a number n which added to its sum of digits gives 36890538.

It is not an unprimeable number, because it can be changed into a prime (36890531) 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, 21618 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (4645080).

Almost surely, 236890538 is an apocalyptic number.

36890538 is an abundant number, since it is smaller than the sum of its proper divisors (37430742).

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

36890538 is a wasteful number, since it uses less digits than its factorization.

36890538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45021.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 36890538 is about 6073.7581446745. The cubic root of 36890538 is about 332.8932554723.

The spelling of 36890538 in words is "thirty-six million, eight hundred ninety thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 137 274 411 822 44879 89758 134637 269274 6148423 12296846 18445269 36890538