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1373225 = 52721959
BaseRepresentation
bin101001111010000101001
32120202201012
411033100221
5322420400
645233305
714446400
oct5172051
92522635
101373225
118587a7
12562835
13391079
1427a637
151c1d35
hex14f429

1373225 has 36 divisors (see below), whose sum is σ = 2120400. Its totient is φ = 876960.

The previous prime is 1373219. The next prime is 1373227. The reversal of 1373225 is 5223731.

1373225 = T116 + T117 + ... + T213.

It is not a de Polignac number, because 1373225 - 26 = 1373161 is a prime.

Its product of digits (1260) is a multiple of the sum of its prime divisors (90).

It is a self number, because there is not a number n which added to its sum of digits gives 1373225.

It is not an unprimeable number, because it can be changed into a prime (1373227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23246 + ... + 23304.

It is an arithmetic number, because the mean of its divisors is an integer number (58900).

21373225 is an apocalyptic number.

It is an amenable number.

1373225 is a deficient number, since it is larger than the sum of its proper divisors (747175).

1373225 is a wasteful number, since it uses less digits than its factorization.

1373225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 90 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 1373225 is about 1171.8468329948. The cubic root of 1373225 is about 111.1511346554.

Adding to 1373225 its reverse (5223731), we get a palindrome (6596956).

The spelling of 1373225 in words is "one million, three hundred seventy-three thousand, two hundred twenty-five".

Divisors: 1 5 7 19 25 35 49 59 95 133 175 245 295 413 475 665 931 1121 1225 1475 2065 2891 3325 4655 5605 7847 10325 14455 23275 28025 39235 54929 72275 196175 274645 1373225