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487157842 = 21096593391
BaseRepresentation
bin11101000010010…
…111000001010010
31020221200011221001
4131002113001102
51444203022332
6120201252214
715033526153
oct3502270122
91227604831
10487157842
1122aa95996
1211719406a
1379c099a2
14489b192a
152cb7d0e7
hex1d097052

487157842 has 16 divisors (see below), whose sum is σ = 738777600. Its totient is φ = 240906960.

The previous prime is 487157837. The next prime is 487157939. The reversal of 487157842 is 248751784.

It is a junction number, because it is equal to n+sod(n) for n = 487157792 and 487157801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141967 + ... + 145357.

It is an arithmetic number, because the mean of its divisors is an integer number (46173600).

Almost surely, 2487157842 is an apocalyptic number.

487157842 is a deficient number, since it is larger than the sum of its proper divisors (251619758).

487157842 is a wasteful number, since it uses less digits than its factorization.

487157842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161.

The product of its digits is 501760, while the sum is 46.

The square root of 487157842 is about 22071.6524528636. The cubic root of 487157842 is about 786.8462861493.

The spelling of 487157842 in words is "four hundred eighty-seven million, one hundred fifty-seven thousand, eight hundred forty-two".

Divisors: 1 2 109 218 659 1318 3391 6782 71831 143662 369619 739238 2234669 4469338 243578921 487157842