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36690885 = 32571110589
BaseRepresentation
bin1000101111110…
…1101111000101
32120001002102200
42023331233011
533343102020
63350225113
7623603340
oct213755705
976032380
1036690885
1119790450
1210355199
1377a85aa
144c31457
15334b590
hex22fdbc5

36690885 has 48 divisors (see below), whose sum is σ = 79297920. Its totient is φ = 15246720.

The previous prime is 36690851. The next prime is 36690889. The reversal of 36690885 is 58809663.

It is not a de Polignac number, because 36690885 - 28 = 36690629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36690885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36690889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1830 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (1652040).

Almost surely, 236690885 is an apocalyptic number.

36690885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36690885 is an abundant number, since it is smaller than the sum of its proper divisors (42607035).

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

36690885 is a wasteful number, since it uses less digits than its factorization.

36690885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618 (or 10615 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 36690885 is about 6057.3001411520. The cubic root of 36690885 is about 332.2916251456.

The spelling of 36690885 in words is "thirty-six million, six hundred ninety thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 231 315 385 495 693 1155 3465 10589 31767 52945 74123 95301 116479 158835 222369 349437 370615 476505 582395 667107 815353 1048311 1111845 1747185 2446059 3335535 4076765 5241555 7338177 12230295 36690885