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1381474 = 2977121
BaseRepresentation
bin101010001010001100010
32121012000201
411101101202
5323201344
645335414
714512423
oct5212142
92535021
101381474
11863a16
1256756a
13394a53
1427d64a
151c44d4
hex151462

1381474 has 8 divisors (see below), whose sum is σ = 2093868. Its totient is φ = 683520.

The previous prime is 1381459. The next prime is 1381483. The reversal of 1381474 is 4741831.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 156025 = 1107^2 + 395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367 + ... + 3754.

21381474 is an apocalyptic number.

1381474 is a deficient number, since it is larger than the sum of its proper divisors (712394).

1381474 is an equidigital number, since it uses as much as digits as its factorization.

1381474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220.

The product of its digits is 2688, while the sum is 28.

The square root of 1381474 is about 1175.3612210721. The cubic root of 1381474 is about 111.3732531218.

The spelling of 1381474 in words is "one million, three hundred eighty-one thousand, four hundred seventy-four".

Divisors: 1 2 97 194 7121 14242 690737 1381474