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48661428 = 22318612179
BaseRepresentation
bin1011100110100…
…0001110110100
310101120020221010
42321220032310
544424131203
64454552220
71130421024
oct271501664
9111506833
1048661428
1125517062
1214368670
13a10a05a
146669a84
154413303
hex2e683b4

48661428 has 24 divisors (see below), whose sum is σ = 113656480. Its totient is φ = 16204320.

The previous prime is 48661427. The next prime is 48661433. The reversal of 48661428 is 82416684.

48661428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48661427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21243 + ... + 23421.

Almost surely, 248661428 is an apocalyptic number.

It is an amenable number.

48661428 is an abundant number, since it is smaller than the sum of its proper divisors (64995052).

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

48661428 is a wasteful number, since it uses less digits than its factorization.

48661428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4045 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 48661428 is about 6975.7743656171. The cubic root of 48661428 is about 365.0858070609.

The spelling of 48661428 in words is "forty-eight million, six hundred sixty-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1861 2179 3722 4358 5583 6537 7444 8716 11166 13074 22332 26148 4055119 8110238 12165357 16220476 24330714 48661428