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53201040 = 2435221671
BaseRepresentation
bin1100101011110…
…0100010010000
310201002220002220
43022330202100
5102104413130
65140141040
71214126034
oct312744220
9121086086
1053201040
1128037802
1215997780
13b039409
1470cc1c4
154a0d410
hex32bc890

53201040 has 40 divisors (see below), whose sum is σ = 164923968. Its totient is φ = 14186880.

The previous prime is 53201021. The next prime is 53201063. The reversal of 53201040 is 4010235.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110596 + ... + 111075.

Almost surely, 253201040 is an apocalyptic number.

It is an amenable number.

53201040 is an abundant number, since it is smaller than the sum of its proper divisors (111722928).

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

53201040 is a wasteful number, since it uses less digits than its factorization.

53201040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221687 (or 221681 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 53201040 is about 7293.9043042804. The cubic root of 53201040 is about 376.1029218776.

Adding to 53201040 its reverse (4010235), we get a palindrome (57211275).

The spelling of 53201040 in words is "fifty-three million, two hundred one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 221671 443342 665013 886684 1108355 1330026 1773368 2216710 2660052 3325065 3546736 4433420 5320104 6650130 8866840 10640208 13300260 17733680 26600520 53201040