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487542844 = 224711292297
BaseRepresentation
bin11101000011110…
…101000000111100
31020222101202001101
4131003311000330
51444302332334
6120213422444
715040021465
oct3503650074
91228352041
10487542844
11230229178
1211733aa24
137a012cb9
1448a71d6c
152cc07214
hex1d0f503c

487542844 has 24 divisors (see below), whose sum is σ = 872504640. Its totient is φ = 238269696.

The previous prime is 487542841. The next prime is 487542851. The reversal of 487542844 is 448245784.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 487542794 and 487542803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487542841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211104 + ... + 213400.

It is an arithmetic number, because the mean of its divisors is an integer number (36354360).

Almost surely, 2487542844 is an apocalyptic number.

It is an amenable number.

487542844 is a deficient number, since it is larger than the sum of its proper divisors (384961796).

487542844 is a wasteful number, since it uses less digits than its factorization.

487542844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477 (or 3475 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 46.

The square root of 487542844 is about 22080.3723700485. The cubic root of 487542844 is about 787.0535137312.

The spelling of 487542844 in words is "four hundred eighty-seven million, five hundred forty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 47 94 188 1129 2258 2297 4516 4594 9188 53063 106126 107959 212252 215918 431836 2593313 5186626 10373252 121885711 243771422 487542844