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1007145 = 32522381
BaseRepresentation
bin11110101111000101001
31220011112200
43311320221
5224212040
633330413
711363166
oct3657051
91804480
101007145
11628757
12406a09
13293559
141c306d
1514d630
hexf5e29

1007145 has 12 divisors (see below), whose sum is σ = 1745796. Its totient is φ = 537120.

The previous prime is 1007137. The next prime is 1007161. The reversal of 1007145 is 5417001.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 522729 = 696^2 + 723^2 .

It is not a de Polignac number, because 1007145 - 23 = 1007137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11146 + ... + 11235.

It is an arithmetic number, because the mean of its divisors is an integer number (145483).

21007145 is an apocalyptic number.

1007145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1007145 is a deficient number, since it is larger than the sum of its proper divisors (738651).

1007145 is a wasteful number, since it uses less digits than its factorization.

1007145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22392 (or 22389 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1007145 is about 1003.5661413180. The cubic root of 1007145 is about 100.2376016740.

The spelling of 1007145 in words is "one million, seven thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 22381 67143 111905 201429 335715 1007145