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487621896 = 233237312101
BaseRepresentation
bin11101000100001…
…000010100001000
31020222112202111020
4131010020110020
51444312400041
6120215232440
715040501116
oct3504102410
91228482436
10487621896
11230282603
12117378720
137a03cc88
1448a92ab6
152cc20866
hex1d108508

487621896 has 64 divisors (see below), whose sum is σ = 1289589120. Its totient is φ = 153331200.

The previous prime is 487621867. The next prime is 487621903. The reversal of 487621896 is 698126784.

It is a super-2 number, since 2×4876218962 = 475550226917269632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34246 + ... + 46346.

It is an arithmetic number, because the mean of its divisors is an integer number (20149830).

Almost surely, 2487621896 is an apocalyptic number.

487621896 is a gapful number since it is divisible by the number (46) 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 487621896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644794560).

487621896 is an abundant number, since it is smaller than the sum of its proper divisors (801967224).

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

487621896 is a wasteful number, since it uses less digits than its factorization.

487621896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206 (or 12202 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 487621896 is about 22082.1623941135. The cubic root of 487621896 is about 787.0960500216.

The spelling of 487621896 in words is "four hundred eighty-seven million, six hundred twenty-one thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 73 92 138 146 184 219 276 292 438 552 584 876 1679 1752 3358 5037 6716 10074 12101 13432 20148 24202 36303 40296 48404 72606 96808 145212 278323 290424 556646 834969 883373 1113292 1669938 1766746 2226584 2650119 3339876 3533492 5300238 6679752 7066984 10600476 20317579 21200952 40635158 60952737 81270316 121905474 162540632 243810948 487621896