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478134480 = 24351992227
BaseRepresentation
bin11100011111111…
…100000011010000
31020022200202012110
4130133330003100
51434400300410
6115240025320
714564035035
oct3437740320
91208622173
10478134480
1122599256a
12114162240
137809a815
144770338c
152be99720
hex1c7fc0d0

478134480 has 40 divisors (see below), whose sum is σ = 1482217632. Its totient is φ = 127502464.

The previous prime is 478134479. The next prime is 478134499. The reversal of 478134480 is 84431874.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4781344802 = 457225161929740800, which contains 22 as substring.

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, 995874 + ... + 996353.

Almost surely, 2478134480 is an apocalyptic number.

478134480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478134480 is an abundant number, since it is smaller than the sum of its proper divisors (1004083152).

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

478134480 is a wasteful number, since it uses less digits than its factorization.

478134480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992243 (or 1992237 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 478134480 is about 21866.2863788070. The cubic root of 478134480 is about 781.9578691029.

The spelling of 478134480 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1992227 3984454 5976681 7968908 9961135 11953362 15937816 19922270 23906724 29883405 31875632 39844540 47813448 59766810 79689080 95626896 119533620 159378160 239067240 478134480