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1481238 = 232117481
BaseRepresentation
bin101101001101000010110
32210020212200
411221220112
5334344423
651425330
715406323
oct5515026
92706780
101481238
11921970
125b5246
133cb295
142a7b4a
151e3d43
hex169a16

1481238 has 24 divisors (see below), whose sum is σ = 3501576. Its totient is φ = 448800.

The previous prime is 1481231. The next prime is 1481239. The reversal of 1481238 is 8321841.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3543 + ... + 3938.

It is an arithmetic number, because the mean of its divisors is an integer number (145899).

21481238 is an apocalyptic number.

1481238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1481238 is an abundant number, since it is smaller than the sum of its proper divisors (2020338).

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

1481238 is a wasteful number, since it uses less digits than its factorization.

1481238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500 (or 7497 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1481238 is about 1217.0612145656. The cubic root of 1481238 is about 113.9921508908.

The spelling of 1481238 in words is "one million, four hundred eighty-one thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 7481 14962 22443 44886 67329 82291 134658 164582 246873 493746 740619 1481238