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1429207 = 131729223
BaseRepresentation
bin101011100111011010111
32200121111121
411130323113
5331213312
650344411
715101533
oct5347327
92617447
101429207
1189686a
1258b107
133b06b0
14292bc3
151d3707
hex15ced7

1429207 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 1193472.

The previous prime is 1429201. The next prime is 1429231. The reversal of 1429207 is 7029241.

It is a cyclic number.

It is not a de Polignac number, because 1429207 - 219 = 904919 is a prime.

It is a Duffinian number.

1429207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6298 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

21429207 is an apocalyptic number.

1429207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1429207 is a deficient number, since it is larger than the sum of its proper divisors (264233).

1429207 is a wasteful number, since it uses less digits than its factorization.

1429207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1429207 is about 1195.4944583728. The cubic root of 1429207 is about 112.6414878241.

The spelling of 1429207 in words is "one million, four hundred twenty-nine thousand, two hundred seven".

Divisors: 1 13 17 29 221 223 377 493 2899 3791 6409 6467 49283 84071 109939 1429207