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48420811 = 172848283
BaseRepresentation
bin1011100010110…
…1011111001011
310101010000212101
42320231133023
544343431221
64445454231
71125366355
oct270553713
9111100771
1048420811
11253722aa
1214271377
13a05468a
1466060d5
1543b6d91
hex2e2d7cb

48420811 has 4 divisors (see below), whose sum is σ = 51269112. Its totient is φ = 45572512.

The previous prime is 48420809. The next prime is 48420821. The reversal of 48420811 is 11802484.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 48420811 - 21 = 48420809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48420811.

It is not an unprimeable number, because it can be changed into a prime (48420821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424125 + ... + 1424158.

It is an arithmetic number, because the mean of its divisors is an integer number (12817278).

Almost surely, 248420811 is an apocalyptic number.

48420811 is a deficient number, since it is larger than the sum of its proper divisors (2848301).

48420811 is a wasteful number, since it uses less digits than its factorization.

48420811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848300.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 48420811 is about 6958.5063770898. The cubic root of 48420811 is about 364.4830638117.

The spelling of 48420811 in words is "forty-eight million, four hundred twenty thousand, eight hundred eleven".

Divisors: 1 17 2848283 48420811