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1371425 = 52114987
BaseRepresentation
bin101001110110100100001
32120200020112
411032310201
5322341200
645221105
714441216
oct5166441
92520215
101371425
11857410
12561795
133902c3
14279b0d
151c1535
hex14ed21

1371425 has 12 divisors (see below), whose sum is σ = 1855536. Its totient is φ = 997200.

The previous prime is 1371397. The next prime is 1371431. The reversal of 1371425 is 5241731.

It is not a de Polignac number, because 1371425 - 218 = 1109281 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1371425.

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, 2219 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (154628).

21371425 is an apocalyptic number.

It is an amenable number.

1371425 is a deficient number, since it is larger than the sum of its proper divisors (484111).

1371425 is a wasteful number, since it uses less digits than its factorization.

1371425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 5003 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1371425 is about 1171.0785626934. The cubic root of 1371425 is about 111.1025484142.

The spelling of 1371425 in words is "one million, three hundred seventy-one thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 4987 24935 54857 124675 274285 1371425