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1394145 = 33523449
BaseRepresentation
bin101010100010111100001
32121211102000
411110113201
5324103040
645514213
714564364
oct5242741
92554360
101394145
11872495
12572969
1339a74c
142840db
151c8130
hex1545e1

1394145 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 709632.

The previous prime is 1394137. The next prime is 1394147. The reversal of 1394145 is 5414931.

It is not a de Polignac number, because 1394145 - 23 = 1394137 is a prime.

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 (1394147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2881 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

21394145 is an apocalyptic number.

1394145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1394145 is a deficient number, since it is larger than the sum of its proper divisors (1197855).

1394145 is a wasteful number, since it uses less digits than its factorization.

1394145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 480 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1394145 is about 1180.7391752627. The cubic root of 1394145 is about 111.7127257335.

The spelling of 1394145 in words is "one million, three hundred ninety-four thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 23 27 45 69 115 135 207 345 449 621 1035 1347 2245 3105 4041 6735 10327 12123 20205 30981 51635 60615 92943 154905 278829 464715 1394145