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498290881 = 1145299171
BaseRepresentation
bin11101101100110…
…101000011000001
31021201121210120211
4131230311003001
52010030302011
6121240034121
715230255044
oct3554650301
91251553524
10498290881
112362aa350
1211aa62941
137c30719a
144a26cc5b
152db2bb21
hex1db350c1

498290881 has 4 divisors (see below), whose sum is σ = 543590064. Its totient is φ = 452991700.

The previous prime is 498290867. The next prime is 498290899. The reversal of 498290881 is 188092894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 498290881 - 219 = 497766593 is a prime.

It is a super-3 number, since 3×4982908813 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498290981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22649575 + ... + 22649596.

It is an arithmetic number, because the mean of its divisors is an integer number (135897516).

Almost surely, 2498290881 is an apocalyptic number.

It is an amenable number.

498290881 is a deficient number, since it is larger than the sum of its proper divisors (45299183).

498290881 is a wasteful number, since it uses less digits than its factorization.

498290881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45299182.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 498290881 is about 22322.4299976503. The cubic root of 498290881 is about 792.7951411594.

The spelling of 498290881 in words is "four hundred ninety-eight million, two hundred ninety thousand, eight hundred eighty-one".

Divisors: 1 11 45299171 498290881