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1430434 = 21937643
BaseRepresentation
bin101011101001110100010
32200200012001
411131032202
5331233214
650354214
715105235
oct5351642
92620161
101430434
11897785
1258b96a
133b1115
1429341c
151d3c74
hex15d3a2

1430434 has 8 divisors (see below), whose sum is σ = 2258640. Its totient is φ = 677556.

The previous prime is 1430419. The next prime is 1430441. The reversal of 1430434 is 4340341.

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

It is a super-2 number, since 2×14304342 = 4092282856712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18784 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (282330).

21430434 is an apocalyptic number.

1430434 is a deficient number, since it is larger than the sum of its proper divisors (828206).

1430434 is a wasteful number, since it uses less digits than its factorization.

1430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37664.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1430434 is about 1196.0075250599. The cubic root of 1430434 is about 112.6737135204.

Adding to 1430434 its reverse (4340341), we get a palindrome (5770775).

The spelling of 1430434 in words is "one million, four hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 19 38 37643 75286 715217 1430434