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1429480 = 235132749
BaseRepresentation
bin101011100111111101000
32200121212201
411130333220
5331220410
650345544
715102403
oct5347750
92617781
101429480
11896a98
1258b2b4
133b0860
14292d3a
151d383a
hex15cfe8

1429480 has 32 divisors (see below), whose sum is σ = 3465000. Its totient is φ = 527616.

The previous prime is 1429469. The next prime is 1429481. The reversal of 1429480 is 849241.

It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 842724 = 766^2 + 918^2 .

It is not an unprimeable number, because it can be changed into a prime (1429481) 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, 855 + ... + 1894.

21429480 is an apocalyptic number.

1429480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429480 is an abundant number, since it is smaller than the sum of its proper divisors (2035520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429480 is a wasteful number, since it uses less digits than its factorization.

1429480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1429480 is about 1195.6086316182. The cubic root of 1429480 is about 112.6486594394.

The spelling of 1429480 in words is "one million, four hundred twenty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 2749 5498 10996 13745 21992 27490 35737 54980 71474 109960 142948 178685 285896 357370 714740 1429480