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48947040 = 25325191789
BaseRepresentation
bin1011101010110…
…1111101100000
310102002202201100
42322231331200
5100012301130
64505034400
71133020512
oct272557540
9112082640
1048947040
11256a16aa
1214485a00
13a1aa05c
146701bb2
15446cc60
hex2eadf60

48947040 has 144 divisors (see below), whose sum is σ = 175921200. Its totient is φ = 12358656.

The previous prime is 48947039. The next prime is 48947053. The reversal of 48947040 is 4074984.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48946986 and 48947004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26466 + ... + 28254.

It is an arithmetic number, because the mean of its divisors is an integer number (1221675).

Almost surely, 248947040 is an apocalyptic number.

48947040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48947040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87960600).

48947040 is an abundant number, since it is smaller than the sum of its proper divisors (126974160).

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

48947040 is a wasteful number, since it uses less digits than its factorization.

48947040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 48947040 is about 6996.2161201610. The cubic root of 48947040 is about 365.7986888989.

The spelling of 48947040 in words is "forty-eight million, nine hundred forty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 72 76 80 90 95 96 114 120 144 152 160 171 180 190 228 240 285 288 304 342 360 380 456 480 570 608 684 720 760 855 912 1140 1368 1440 1520 1710 1789 1824 2280 2736 3040 3420 3578 4560 5367 5472 6840 7156 8945 9120 10734 13680 14312 16101 17890 21468 26835 27360 28624 32202 33991 35780 42936 53670 57248 64404 67982 71560 80505 85872 101973 107340 128808 135964 143120 161010 169955 171744 203946 214680 257616 271928 286240 305919 322020 339910 407892 429360 509865 515232 543856 611838 644040 679820 815784 858720 1019730 1087712 1223676 1288080 1359640 1529595 1631568 2039460 2447352 2576160 2719280 3059190 3263136 4078920 4894704 5438560 6118380 8157840 9789408 12236760 16315680 24473520 48947040