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1488421 = 11212301
BaseRepresentation
bin101101011011000100101
32210121201201
411223120211
5340112141
651522501
715436264
oct5533045
92717651
101488421
11927300
125b9431
1340162c
142aa5db
151e6031
hex16b625

1488421 has 6 divisors (see below), whose sum is σ = 1636166. Its totient is φ = 1353000.

The previous prime is 1488419. The next prime is 1488427. The reversal of 1488421 is 1248841.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 302500 = 1089^2 + 550^2 .

It is not a de Polignac number, because 1488421 - 21 = 1488419 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 1488421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6030 + ... + 6271.

21488421 is an apocalyptic number.

1488421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1488421 is a deficient number, since it is larger than the sum of its proper divisors (147745).

1488421 is a wasteful number, since it uses less digits than its factorization.

1488421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323 (or 12312 counting only the distinct ones).

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

The square root of 1488421 is about 1220.0086065270. The cubic root of 1488421 is about 114.1761153906.

The spelling of 1488421 in words is "one million, four hundred eighty-eight thousand, four hundred twenty-one".

Divisors: 1 11 121 12301 135311 1488421