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2490536881 = 710110193457
BaseRepresentation
bin1001010001110010…
…1001001110110001
320102120101101022201
42110130221032301
520100034140011
61051044503201
7115501133320
oct22434511661
96376341281
102490536881
111068930248
125960aab01
13308c98081
14198aaa0b7
15e89abcc1
hex947293b1

2490536881 has 16 divisors (see below), whose sum is σ = 2878162560. Its totient is φ = 2110924800.

The previous prime is 2490536863. The next prime is 2490536887. The reversal of 2490536881 is 1886350942.

It is a cyclic number.

It is not a de Polignac number, because 2490536881 - 27 = 2490536753 is a prime.

It is a super-2 number, since 2×24905368812 = 12405547911242416322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2490536887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718705 + ... + 722161.

It is an arithmetic number, because the mean of its divisors is an integer number (179885160).

Almost surely, 22490536881 is an apocalyptic number.

It is an amenable number.

2490536881 is a deficient number, since it is larger than the sum of its proper divisors (387625679).

2490536881 is a wasteful number, since it uses less digits than its factorization.

2490536881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2490536881 is about 49905.2790894911. The cubic root of 2490536881 is about 1355.4941859227.

The spelling of 2490536881 in words is "two billion, four hundred ninety million, five hundred thirty-six thousand, eight hundred eighty-one".

Divisors: 1 7 101 707 1019 3457 7133 24199 102919 349157 720433 2444099 3522683 24658781 355790983 2490536881