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1029430 = 25113911
BaseRepresentation
bin11111011010100110110
31221022010001
43323110312
5230420210
634021514
711515153
oct3732466
91838101
101029430
11643476
1241789a
132a073c
141cb22a
1515503a
hexfb536

1029430 has 16 divisors (see below), whose sum is σ = 1871424. Its totient is φ = 407680.

The previous prime is 1029409. The next prime is 1029433. The reversal of 1029430 is 349201.

It is a super-2 number, since 2×10294302 = 2119452249800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1029398 and 1029407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (116964).

21029430 is an apocalyptic number.

1029430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1029430 is a deficient number, since it is larger than the sum of its proper divisors (841994).

1029430 is a wasteful number, since it uses less digits than its factorization.

1029430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1029430 is about 1014.6082988030. The cubic root of 1029430 is about 100.9715307140.

The spelling of 1029430 in words is "one million, twenty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 113 226 565 911 1130 1822 4555 9110 102943 205886 514715 1029430