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50709540 = 22357120737
BaseRepresentation
bin1100000101110…
…0010000100100
310112102022102010
43001130100210
5100440201130
65010514220
71154011140
oct301342044
9115368363
1050709540
1126695912
1214b95970
13a67635b
146a40220
1546ba0b0
hex305c424

50709540 has 48 divisors (see below), whose sum is σ = 162271872. Its totient is φ = 11590656.

The previous prime is 50709517. The next prime is 50709551. The reversal of 50709540 is 4590705.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50709498 and 50709507.

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, 59949 + ... + 60788.

It is an arithmetic number, because the mean of its divisors is an integer number (3380664).

Almost surely, 250709540 is an apocalyptic number.

It is an amenable number.

50709540 is an abundant number, since it is smaller than the sum of its proper divisors (111562332).

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

50709540 is a wasteful number, since it uses less digits than its factorization.

50709540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120756 (or 120754 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 50709540 is about 7121.0631228771. The cubic root of 50709540 is about 370.1376162064.

The spelling of 50709540 in words is "fifty million, seven hundred nine thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 120737 241474 362211 482948 603685 724422 845159 1207370 1448844 1690318 1811055 2414740 2535477 3380636 3622110 4225795 5070954 7244220 8451590 10141908 12677385 16903180 25354770 50709540