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48109729 = 192819011
BaseRepresentation
bin1011011110000…
…1100010100001
310100112020010211
42313201202201
544304002404
64435054121
71122632413
oct267414241
9110466124
1048109729
112517a608
1214141341
139c75bc5
1465649b3
154354b04
hex2de18a1

48109729 has 8 divisors (see below), whose sum is σ = 50827680. Its totient is φ = 45410400.

The previous prime is 48109723. The next prime is 48109739. The reversal of 48109729 is 92790184.

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

It is a cyclic number.

It is not a de Polignac number, because 48109729 - 25 = 48109697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48109691 and 48109700.

It is not an unprimeable number, because it can be changed into a prime (48109723) 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, 834 + ... + 9844.

It is an arithmetic number, because the mean of its divisors is an integer number (6353460).

Almost surely, 248109729 is an apocalyptic number.

It is an amenable number.

48109729 is a deficient number, since it is larger than the sum of its proper divisors (2717951).

48109729 is a wasteful number, since it uses less digits than its factorization.

48109729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 48109729 is about 6936.1177181475. The cubic root of 48109729 is about 363.7008395123.

The spelling of 48109729 in words is "forty-eight million, one hundred nine thousand, seven hundred twenty-nine".

Divisors: 1 19 281 5339 9011 171209 2532091 48109729