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1345630 = 251113941
BaseRepresentation
bin101001000100001011110
32112100212011
411020201132
5321030010
644501434
714303056
oct5104136
92470764
101345630
11839aa0
1254a87a
13381640
14270566
151b8a8a
hex14885e

1345630 has 32 divisors (see below), whose sum is σ = 2848608. Its totient is φ = 451200.

The previous prime is 1345627. The next prime is 1345633. The reversal of 1345630 is 365431.

1345630 = T36 + T37 + ... + T200.

1345630 = 282 + 292 + ... + 1592.

It is an interprime number because it is at equal distance from previous prime (1345627) and next prime (1345633).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (89019).

21345630 is an apocalyptic number.

1345630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345630 is an abundant number, since it is smaller than the sum of its proper divisors (1502978).

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

1345630 is a wasteful number, since it uses less digits than its factorization.

1345630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1345630 is about 1160.0129309624. The cubic root of 1345630 is about 110.4015625873.

The spelling of 1345630 in words is "one million, three hundred forty-five thousand, six hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 941 1430 1882 4705 9410 10351 12233 20702 24466 51755 61165 103510 122330 134563 269126 672815 1345630