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36145420 = 2252378577
BaseRepresentation
bin1000100111100…
…0100100001100
32112000101012021
42021320210030
533223123140
63330415524
7616142143
oct211704414
975011167
1036145420
1119448653
12101315a4
13764722c
144b2c75a
15328eb4a
hex227890c

36145420 has 24 divisors (see below), whose sum is σ = 79206624. Its totient is φ = 13829376.

The previous prime is 36145399. The next prime is 36145427. The reversal of 36145420 is 2454163.

It is not an unprimeable number, because it can be changed into a prime (36145427) 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, 38829 + ... + 39748.

It is an arithmetic number, because the mean of its divisors is an integer number (3300276).

Almost surely, 236145420 is an apocalyptic number.

It is an amenable number.

36145420 is an abundant number, since it is smaller than the sum of its proper divisors (43061204).

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

36145420 is a wasteful number, since it uses less digits than its factorization.

36145420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78609 (or 78607 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 36145420 is about 6012.1061201546. The cubic root of 36145420 is about 330.6367259752.

Adding to 36145420 its reverse (2454163), we get a palindrome (38599583).

The spelling of 36145420 in words is "thirty-six million, one hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 78577 157154 314308 392885 785770 1571540 1807271 3614542 7229084 9036355 18072710 36145420