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36508990 = 257521557
BaseRepresentation
bin1000101101000…
…1010100111110
32112200211220211
42023101110332
533321241430
63342303034
7622215130
oct213212476
975624824
1036508990
1119676821
1210287a7a
13774386b
144bc5050
15331272a
hex22d153e

36508990 has 16 divisors (see below), whose sum is σ = 75104352. Its totient is φ = 12517344.

The previous prime is 36508963. The next prime is 36508991. The reversal of 36508990 is 9980563.

36508990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36508991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260709 + ... + 260848.

It is an arithmetic number, because the mean of its divisors is an integer number (4694022).

Almost surely, 236508990 is an apocalyptic number.

36508990 is an abundant number, since it is smaller than the sum of its proper divisors (38595362).

36508990 is a wasteful number, since it uses less digits than its factorization.

36508990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521571.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 36508990 is about 6042.2669586836. The cubic root of 36508990 is about 331.7416035092.

The spelling of 36508990 in words is "thirty-six million, five hundred eight thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 521557 1043114 2607785 3650899 5215570 7301798 18254495 36508990