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1225374 = 231311559
BaseRepresentation
bin100101011001010011110
32022020220020
410223022132
5303202444
642133010
713262343
oct4531236
92266806
101225374
11767707
124b1166
1333b997
1423c7ca
15193119
hex12b29e

1225374 has 16 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 405080.

The previous prime is 1225373. The next prime is 1225381. The reversal of 1225374 is 4735221.

It is a d-powerful number, because it can be written as 1 + 211 + 217 + 5 + 38 + 77 + 49 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225373) 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 7 ways as a sum of consecutive naturals, for example, 7 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

21225374 is an apocalyptic number.

1225374 is an abundant number, since it is smaller than the sum of its proper divisors (1245666).

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

1225374 is a wasteful number, since it uses less digits than its factorization.

1225374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695.

The product of its digits is 1680, while the sum is 24.

The square root of 1225374 is about 1106.9661241429. The cubic root of 1225374 is about 107.0096360728.

The spelling of 1225374 in words is "one million, two hundred twenty-five thousand, three hundred seventy-four".

Divisors: 1 2 3 6 131 262 393 786 1559 3118 4677 9354 204229 408458 612687 1225374