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487697240 = 23524150591
BaseRepresentation
bin11101000100011…
…010101101011000
31020222200120211202
4131010122231120
51444322302430
6120221013332
715041233562
oct3504325530
91228616752
10487697240
11230324178
121173b4248
137a068364
1448ab2332
152cc37d45
hex1d11ab58

487697240 has 32 divisors (see below), whose sum is σ = 1101893760. Its totient is φ = 194265600.

The previous prime is 487697237. The next prime is 487697251. The reversal of 487697240 is 42796784.

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, 15656 + ... + 34935.

It is an arithmetic number, because the mean of its divisors is an integer number (34434180).

Almost surely, 2487697240 is an apocalyptic number.

487697240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487697240 is an abundant number, since it is smaller than the sum of its proper divisors (614196520).

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

487697240 is a wasteful number, since it uses less digits than its factorization.

487697240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50843 (or 50839 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 487697240 is about 22083.8683205638. The cubic root of 487697240 is about 787.1365868331.

The spelling of 487697240 in words is "four hundred eighty-seven million, six hundred ninety-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 241 482 964 1205 1928 2410 4820 9640 50591 101182 202364 252955 404728 505910 1011820 2023640 12192431 24384862 48769724 60962155 97539448 121924310 243848620 487697240