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1384429 = 17313771
BaseRepresentation
bin101010001111111101101
32121100002011
411101333231
5323300204
645401221
714524144
oct5217755
92540064
101384429
11866162
12569211
133961b7
1428075b
151c5304
hex151fed

1384429 has 16 divisors (see below), whose sum is σ = 1575936. Its totient is φ = 1209600.

The previous prime is 1384403. The next prime is 1384433. The reversal of 1384429 is 9244831.

It is a cyclic number.

It is not a de Polignac number, because 1384429 - 29 = 1383917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1384429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384499) 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, 19464 + ... + 19534.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

21384429 is an apocalyptic number.

It is an amenable number.

1384429 is a deficient number, since it is larger than the sum of its proper divisors (191507).

1384429 is a wasteful number, since it uses less digits than its factorization.

1384429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156.

The product of its digits is 6912, while the sum is 31.

The square root of 1384429 is about 1176.6176099311. The cubic root of 1384429 is about 111.4526064273.

The spelling of 1384429 in words is "one million, three hundred eighty-four thousand, four hundred twenty-nine".

Divisors: 1 17 31 37 71 527 629 1147 1207 2201 2627 19499 37417 44659 81437 1384429