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48961040 = 2456179127
BaseRepresentation
bin1011101011000…
…1011000010000
310102010110220212
42322301120100
5100013223130
64505223252
71133106362
oct272613020
9112113825
1048961040
1125701177
1214491b28
13a1b353b
146706d32
154471e95
hex2eb1610

48961040 has 80 divisors (see below), whose sum is σ = 118087680. Its totient is φ = 18869760.

The previous prime is 48961039. The next prime is 48961051. The reversal of 48961040 is 4016984.

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

It is a junction number, because it is equal to n+sod(n) for n = 48960988 and 48961006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385457 + ... + 385583.

It is an arithmetic number, because the mean of its divisors is an integer number (1476096).

Almost surely, 248961040 is an apocalyptic number.

48961040 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 48961040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59043840).

48961040 is an abundant number, since it is smaller than the sum of its proper divisors (69126640).

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

48961040 is a wasteful number, since it uses less digits than its factorization.

48961040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 48961040 is about 6997.2165894733. The cubic root of 48961040 is about 365.8335612389.

The spelling of 48961040 in words is "forty-eight million, nine hundred sixty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 61 79 80 122 127 158 244 254 305 316 395 488 508 610 632 635 790 976 1016 1220 1264 1270 1580 2032 2440 2540 3160 4819 4880 5080 6320 7747 9638 10033 10160 15494 19276 20066 24095 30988 38552 38735 40132 48190 50165 61976 77104 77470 80264 96380 100330 123952 154940 160528 192760 200660 309880 385520 401320 612013 619760 802640 1224026 2448052 3060065 4896104 6120130 9792208 12240260 24480520 48961040