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48847920 = 24351118503
BaseRepresentation
bin1011101001010…
…1110000110000
310101220201202020
42322111300300
5100001113140
64502551440
71132125522
oct272256060
9111821666
1048847920
1125634190
1214438580
13a173bc4
1466b7a12
15444d6d0
hex2e95c30

48847920 has 80 divisors (see below), whose sum is σ = 165203712. Its totient is φ = 11841280.

The previous prime is 48847901. The next prime is 48847937. The reversal of 48847920 is 2974884.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×488479202 = 4772238576652800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 11891.

Almost surely, 248847920 is an apocalyptic number.

48847920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48847920 is an abundant number, since it is smaller than the sum of its proper divisors (116355792).

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

48847920 is a wasteful number, since it uses less digits than its factorization.

48847920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18530 (or 18524 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 48847920 is about 6989.1287010614. The cubic root of 48847920 is about 365.5516023315.

The spelling of 48847920 in words is "forty-eight million, eight hundred forty-seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 18503 37006 55509 74012 92515 111018 148024 185030 203533 222036 277545 296048 370060 407066 444072 555090 610599 740120 814132 888144 1017665 1110180 1221198 1480240 1628264 2035330 2220360 2442396 3052995 3256528 4070660 4440720 4884792 6105990 8141320 9769584 12211980 16282640 24423960 48847920