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478701812 = 22119675453
BaseRepresentation
bin11100100010000…
…110100011110100
31020100202120102202
4130202012203310
51440021424222
6115300124032
714601620051
oct3442064364
91210676382
10478701812
1122623a836
12114396618
1378238b14
1447810028
152c05c892
hex1c8868f4

478701812 has 6 divisors (see below), whose sum is σ = 837728178. Its totient is φ = 239350904.

The previous prime is 478701779. The next prime is 478701833. The reversal of 478701812 is 218107874.

It can be written as a sum of positive squares in only one way, i.e., 325585936 + 153115876 = 18044^2 + 12374^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59837723 + ... + 59837730.

It is an arithmetic number, because the mean of its divisors is an integer number (139621363).

Almost surely, 2478701812 is an apocalyptic number.

It is an amenable number.

478701812 is a deficient number, since it is larger than the sum of its proper divisors (359026366).

478701812 is a wasteful number, since it uses less digits than its factorization.

478701812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119675457 (or 119675455 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 478701812 is about 21879.2552889718. The cubic root of 478701812 is about 782.2670250639.

The spelling of 478701812 in words is "four hundred seventy-eight million, seven hundred one thousand, eight hundred twelve".

Divisors: 1 2 4 119675453 239350906 478701812