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1375045 = 57172311
BaseRepresentation
bin101001111101101000101
32120212012121
411033231011
5323000140
645245541
714454610
oct5175505
92525177
101375045
1185a101
125638b1
13391b49
1427b177
151c264a
hex14fb45

1375045 has 16 divisors (see below), whose sum is σ = 1997568. Its totient is φ = 887040.

The previous prime is 1375043. The next prime is 1375051. The reversal of 1375045 is 5405731.

It is not a de Polignac number, because 1375045 - 21 = 1375043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375043) 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, 561 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (124848).

21375045 is an apocalyptic number.

It is an amenable number.

1375045 is a deficient number, since it is larger than the sum of its proper divisors (622523).

1375045 is a wasteful number, since it uses less digits than its factorization.

1375045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1375045 is about 1172.6231278633. The cubic root of 1375045 is about 111.2002175953.

The spelling of 1375045 in words is "one million, three hundred seventy-five thousand, forty-five".

Divisors: 1 5 7 17 35 85 119 595 2311 11555 16177 39287 80885 196435 275009 1375045