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48209739 = 317945289
BaseRepresentation
bin1011011111100…
…1111101001011
310100201022022220
42313321331023
544320202424
64441145123
71123530114
oct267717513
9110638286
1048209739
1125238766
121418b1a3
139cac596
14658d20b
154374579
hex2df9f4b

48209739 has 8 divisors (see below), whose sum is σ = 68060880. Its totient is φ = 30249216.

The previous prime is 48209731. The next prime is 48209789. The reversal of 48209739 is 93790284.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48209739 - 23 = 48209731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48209739.

It is not an unprimeable number, because it can be changed into a prime (48209731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472594 + ... + 472695.

It is an arithmetic number, because the mean of its divisors is an integer number (8507610).

Almost surely, 248209739 is an apocalyptic number.

48209739 is a deficient number, since it is larger than the sum of its proper divisors (19851141).

48209739 is a wasteful number, since it uses less digits than its factorization.

48209739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945309.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 48209739 is about 6943.3233397272. The cubic root of 48209739 is about 363.9526842455.

The spelling of 48209739 in words is "forty-eight million, two hundred nine thousand, seven hundred thirty-nine".

Divisors: 1 3 17 51 945289 2835867 16069913 48209739