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1357430 = 25135743
BaseRepresentation
bin101001011011001110110
32112222001012
411023121312
5321414210
645032222
714352344
oct5133166
92488035
101357430
11847948
12555672
13386b19
14274994
151bc305
hex14b676

1357430 has 8 divisors (see below), whose sum is σ = 2443392. Its totient is φ = 542968.

The previous prime is 1357429. The next prime is 1357453. The reversal of 1357430 is 347531.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1357396 and 1357405.

It is a congruent number.

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, 67862 + ... + 67881.

It is an arithmetic number, because the mean of its divisors is an integer number (305424).

21357430 is an apocalyptic number.

1357430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1357430 is a deficient number, since it is larger than the sum of its proper divisors (1085962).

1357430 is a wasteful number, since it uses less digits than its factorization.

1357430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135750.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1357430 is about 1165.0879795106. The cubic root of 1357430 is about 110.7233322968.

The spelling of 1357430 in words is "one million, three hundred fifty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 135743 271486 678715 1357430