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490748544 = 27341113331
BaseRepresentation
bin11101010000000…
…011101010000000
31021012102121110000
4131100003222000
52001112423134
6120410240000
715106202526
oct3520035200
91235377400
10490748544
11232018710
12118426000
137a896170
1449268316
152d13be99
hex1d403a80

490748544 has 320 divisors, whose sum is σ = 1720968480. Its totient is φ = 136857600.

The previous prime is 490748543. The next prime is 490748563. The reversal of 490748544 is 445847094.

It is a self number, because there is not a number n which added to its sum of digits gives 490748544.

It is not an unprimeable number, because it can be changed into a prime (490748543) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1482459 + ... + 1482789.

Almost surely, 2490748544 is an apocalyptic number.

490748544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490748544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860484240).

490748544 is an abundant number, since it is smaller than the sum of its proper divisors (1230219936).

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

490748544 is a wasteful number, since it uses less digits than its factorization.

490748544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 490748544 is about 22152.8450543040. The cubic root of 490748544 is about 788.7747625804.

The spelling of 490748544 in words is "four hundred ninety million, seven hundred forty-eight thousand, five hundred forty-four".