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24490081 = 7111753353
BaseRepresentation
bin101110101101…
…1000001100001
31201002020002001
41131123001201
522232140311
62232524001
7415106440
oct135330141
951066061
1024490081
1112907840
128250601
1350c6095
143376d57
15223b4c1
hex175b061

24490081 has 32 divisors (see below), whose sum is σ = 33032448. Its totient is φ = 17571840.

The previous prime is 24490073. The next prime is 24490111. The reversal of 24490081 is 18009442.

It is not a de Polignac number, because 24490081 - 23 = 24490073 is a prime.

It is a super-2 number, since 2×244900812 = 1199528134773122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24490021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69201 + ... + 69553.

It is an arithmetic number, because the mean of its divisors is an integer number (1032264).

Almost surely, 224490081 is an apocalyptic number.

It is an amenable number.

24490081 is a deficient number, since it is larger than the sum of its proper divisors (8542367).

24490081 is a wasteful number, since it uses less digits than its factorization.

24490081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 24490081 is about 4948.7453965626. The cubic root of 24490081 is about 290.4000859142.

The spelling of 24490081 in words is "twenty-four million, four hundred ninety thousand, eighty-one".

Divisors: 1 7 11 17 53 77 119 187 353 371 583 901 1309 2471 3883 4081 6001 6307 9911 18709 27181 42007 66011 69377 130963 205799 318053 462077 1440593 2226371 3498583 24490081