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487680248 = 23116019221
BaseRepresentation
bin11101000100010…
…110100011111000
31020222122201112102
4131010112203320
51444321231443
6120220402532
715041133206
oct3504264370
91228581472
10487680248
11230312430
121173a6448
137a0606c3
1448aaa076
152cc32cb8
hex1d1168f8

487680248 has 32 divisors (see below), whose sum is σ = 999295920. Its totient is φ = 221280000.

The previous prime is 487680233. The next prime is 487680257. The reversal of 487680248 is 842086784.

It is a happy number.

It is a congruent number.

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, 48278 + ... + 57498.

Almost surely, 2487680248 is an apocalyptic number.

It is an amenable number.

487680248 is an abundant number, since it is smaller than the sum of its proper divisors (511615672).

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

487680248 is a wasteful number, since it uses less digits than its factorization.

487680248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839 (or 9835 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 487680248 is about 22083.4836020045. The cubic root of 487680248 is about 787.1274451094.

The spelling of 487680248 in words is "four hundred eighty-seven million, six hundred eighty thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 601 1202 2404 4808 6611 9221 13222 18442 26444 36884 52888 73768 101431 202862 405724 811448 5541821 11083642 22167284 44334568 60960031 121920062 243840124 487680248