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2053481 = 17199607
BaseRepresentation
bin111110101010101101001
310212022211212
413311111221
51011202411
6112002505
723311553
oct7652551
93768755
102053481
1111828a1
12830435
1356b8a1
143b64d3
152a868b
hex1f5569

2053481 has 8 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 1919808.

The previous prime is 2053459. The next prime is 2053507. The reversal of 2053481 is 1843502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2053481 is a prime.

It is a super-2 number, since 2×20534812 = 8433568434722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 211 + 0 + 59 + 3 + 48 + 85 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053411) 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, 3080 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

22053481 is an apocalyptic number.

It is an amenable number.

2053481 is a deficient number, since it is larger than the sum of its proper divisors (135319).

2053481 is a wasteful number, since it uses less digits than its factorization.

2053481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2053481 is about 1432.9972086505. The cubic root of 2053481 is about 127.1052715926.

Adding to 2053481 its reverse (1843502), we get a palindrome (3896983).

The spelling of 2053481 in words is "two million, fifty-three thousand, four hundred eighty-one".

Divisors: 1 17 199 607 3383 10319 120793 2053481