Search a number
-
+
1457423 = 11472819
BaseRepresentation
bin101100011110100001111
32202001012122
411203310033
5333114143
651123155
715250022
oct5436417
92661178
101457423
11905a90
125a34bb
133c04a6
1429d1b9
151dbc68
hex163d0f

1457423 has 8 divisors (see below), whose sum is σ = 1624320. Its totient is φ = 1296280.

The previous prime is 1457419. The next prime is 1457429. The reversal of 1457423 is 3247541.

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 1457423 - 22 = 1457419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1457392 and 1457401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457429) 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, 893 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (203040).

21457423 is an apocalyptic number.

1457423 is a deficient number, since it is larger than the sum of its proper divisors (166897).

1457423 is a wasteful number, since it uses less digits than its factorization.

1457423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877.

The product of its digits is 3360, while the sum is 26.

The square root of 1457423 is about 1207.2377562021. The cubic root of 1457423 is about 113.3779341949.

The spelling of 1457423 in words is "one million, four hundred fifty-seven thousand, four hundred twenty-three".

Divisors: 1 11 47 517 2819 31009 132493 1457423