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1375423 = 7238543
BaseRepresentation
bin101001111110010111111
32120212201121
411033302333
5323003143
645251411
714455660
oct5176277
92525647
101375423
1185a415
12563b67
1339207a
1427b367
151c27ed
hex14fcbf

1375423 has 8 divisors (see below), whose sum is σ = 1640448. Its totient is φ = 1127544.

The previous prime is 1375421. The next prime is 1375433. The reversal of 1375423 is 3245731.

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 1375423 - 21 = 1375421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375421) 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, 4111 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (205056).

21375423 is an apocalyptic number.

1375423 is a deficient number, since it is larger than the sum of its proper divisors (265025).

1375423 is an equidigital number, since it uses as much as digits as its factorization.

1375423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573.

The product of its digits is 2520, while the sum is 25.

The square root of 1375423 is about 1172.7842938921. The cubic root of 1375423 is about 111.2104063118.

The spelling of 1375423 in words is "one million, three hundred seventy-five thousand, four hundred twenty-three".

Divisors: 1 7 23 161 8543 59801 196489 1375423