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10019429 = 71431347
BaseRepresentation
bin100110001110…
…001001100101
3200212001001222
4212032021211
510031110204
6554430125
7151110110
oct46161145
920761058
1010019429
115723822
123432345
1320ca674
14148b577
15d2dabe
hex98e265

10019429 has 4 divisors (see below), whose sum is σ = 11450784. Its totient is φ = 8588076.

The previous prime is 10019423. The next prime is 10019431. The reversal of 10019429 is 92491001.

10019429 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-10019429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10019398 and 10019407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10019423) by changing a digit.

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, 715667 + ... + 715680.

It is an arithmetic number, because the mean of its divisors is an integer number (2862696).

Almost surely, 210019429 is an apocalyptic number.

It is an amenable number.

10019429 is a deficient number, since it is larger than the sum of its proper divisors (1431355).

10019429 is an equidigital number, since it uses as much as digits as its factorization.

10019429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431354.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 10019429 is about 3165.3481641045. The cubic root of 10019429 is about 215.5829071094.

The spelling of 10019429 in words is "ten million, nineteen thousand, four hundred twenty-nine".

Divisors: 1 7 1431347 10019429