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1325970 = 23451637
BaseRepresentation
bin101000011101110010010
32111100220000
411003232102
5314412340
644230430
714161542
oct5035622
92440800
101325970
11826248
1253b416
133756c9
14267322
151b2d30
hex143b92

1325970 has 40 divisors (see below), whose sum is σ = 3567564. Its totient is φ = 353376.

The previous prime is 1325959. The next prime is 1325977. The reversal of 1325970 is 795231.

It can be written as a sum of positive squares in 2 ways, for example, as 1147041 + 178929 = 1071^2 + 423^2 .

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 Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1325977) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9 + ... + 1628.

21325970 is an apocalyptic number.

1325970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783782).

1325970 is an abundant number, since it is smaller than the sum of its proper divisors (2241594).

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

1325970 is a wasteful number, since it uses less digits than its factorization.

1325970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1325970 is about 1151.5077073125. The cubic root of 1325970 is about 109.8612575854.

The spelling of 1325970 in words is "one million, three hundred twenty-five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 1637 3274 4911 8185 9822 14733 16370 24555 29466 44199 49110 73665 88398 132597 147330 220995 265194 441990 662985 1325970