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48684720 = 2435728979
BaseRepresentation
bin1011100110110…
…1111010110000
310101121102212210
42321231322300
544430402340
64455252120
71130545650
oct271557260
9111542783
1048684720
1125532607
121437a040
13a117836
146674360
15441a180
hex2e6deb0

48684720 has 80 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 11127552.

The previous prime is 48684703. The next prime is 48684733. The reversal of 48684720 is 2748684.

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

It is a super-2 number, since 2×486847202 = 4740403922956800, 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, 12810 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (2156112).

Almost surely, 248684720 is an apocalyptic number.

48684720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48684720 is an abundant number, since it is smaller than the sum of its proper divisors (123804240).

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

48684720 is a wasteful number, since it uses less digits than its factorization.

48684720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29002 (or 28996 counting only the distinct ones).

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

The square root of 48684720 is about 6977.4436579596. The cubic root of 48684720 is about 365.1440477289.

The spelling of 48684720 in words is "forty-eight million, six hundred eighty-four thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 28979 57958 86937 115916 144895 173874 202853 231832 289790 347748 405706 434685 463664 579580 608559 695496 811412 869370 1014265 1159160 1217118 1390992 1622824 1738740 2028530 2318320 2434236 3042795 3245648 3477480 4057060 4868472 6085590 6954960 8114120 9736944 12171180 16228240 24342360 48684720