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1393357 = 7316421
BaseRepresentation
bin101010100001011001101
32121210022211
411110023031
5324041412
645510421
714562160
oct5241315
92553284
101393357
11871939
12572411
1339a294
14283ad7
151c7ca7
hex1542cd

1393357 has 8 divisors (see below), whose sum is σ = 1644032. Its totient is φ = 1155600.

The previous prime is 1393333. The next prime is 1393361. The reversal of 1393357 is 7533931.

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

It is a cyclic number.

It is not a de Polignac number, because 1393357 - 27 = 1393229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

1393357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994 + ... + 3427.

It is an arithmetic number, because the mean of its divisors is an integer number (205504).

21393357 is an apocalyptic number.

It is an amenable number.

1393357 is a deficient number, since it is larger than the sum of its proper divisors (250675).

1393357 is an equidigital number, since it uses as much as digits as its factorization.

1393357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459.

The product of its digits is 8505, while the sum is 31.

The square root of 1393357 is about 1180.4054388218. The cubic root of 1393357 is about 111.6916743081.

The spelling of 1393357 in words is "one million, three hundred ninety-three thousand, three hundred fifty-seven".

Divisors: 1 7 31 217 6421 44947 199051 1393357