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47903480 = 2352352069
BaseRepresentation
bin1011011010111…
…1001011111000
310100010202012222
42312233023320
544230402410
64430423212
71121113202
oct266571370
9110122188
1047903480
1125049659
1214061b08
139c03071
14650d772
154313955
hex2daf2f8

47903480 has 32 divisors (see below), whose sum is σ = 112471200. Its totient is φ = 18327936.

The previous prime is 47903477. The next prime is 47903497. The reversal of 47903480 is 8430974.

It is a super-2 number, since 2×479034802 = 4589486792220800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47903480.

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, 25115 + ... + 26954.

It is an arithmetic number, because the mean of its divisors is an integer number (3514725).

Almost surely, 247903480 is an apocalyptic number.

47903480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47903480 is an abundant number, since it is smaller than the sum of its proper divisors (64567720).

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

47903480 is a wasteful number, since it uses less digits than its factorization.

47903480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52103 (or 52099 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 47903480 is about 6921.2339940216. The cubic root of 47903480 is about 363.1803599968.

The spelling of 47903480 in words is "forty-seven million, nine hundred three thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 52069 104138 208276 260345 416552 520690 1041380 1197587 2082760 2395174 4790348 5987935 9580696 11975870 23951740 47903480