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491627088 = 24323414077
BaseRepresentation
bin11101010011011…
…010001001010000
31021021002020120200
4131103122021100
52001324031323
6120441135200
715116522061
oct3523321120
91237066520
10491627088
11232568787
1211878a500
137ab13004
1449416568
152d262443
hex1d4da250

491627088 has 30 divisors (see below), whose sum is σ = 1375873434. Its totient is φ = 163875648.

The previous prime is 491627069. The next prime is 491627089. The reversal of 491627088 is 880726194.

It can be written as a sum of positive squares in only one way, i.e., 443018304 + 48608784 = 21048^2 + 6972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491627089) 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 5 ways as a sum of consecutive naturals, for example, 1706895 + ... + 1707182.

Almost surely, 2491627088 is an apocalyptic number.

491627088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

491627088 is an abundant number, since it is smaller than the sum of its proper divisors (884246346).

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

491627088 is a wasteful number, since it uses less digits than its factorization.

491627088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414091 (or 3414082 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 491627088 is about 22172.6653336941. The cubic root of 491627088 is about 789.2451733649.

The spelling of 491627088 in words is "four hundred ninety-one million, six hundred twenty-seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3414077 6828154 10242231 13656308 20484462 27312616 30726693 40968924 54625232 61453386 81937848 122906772 163875696 245813544 491627088