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1478423429 = 71709123583
BaseRepresentation
bin101100000011110…
…1111001110000101
310211000220200200022
41120013233032011
511011434022204
6402411424525
751431251250
oct13007571605
93730820608
101478423429
1169959344a
12353155145
131a73a9382
141004c8097
1589bd65be
hex581ef385

1478423429 has 8 divisors (see below), whose sum is σ = 1690629120. Its totient is φ = 1266468336.

The previous prime is 1478423369. The next prime is 1478423461. The reversal of 1478423429 is 9243248741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1478423429 is a prime.

It is a super-2 number, since 2×14784234292 = 4371471670832236082, which contains 22 as substring.

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 1478423429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478423489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49829 + ... + 73754.

It is an arithmetic number, because the mean of its divisors is an integer number (211328640).

Almost surely, 21478423429 is an apocalyptic number.

It is an amenable number.

1478423429 is a deficient number, since it is larger than the sum of its proper divisors (212205691).

1478423429 is a wasteful number, since it uses less digits than its factorization.

1478423429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125299.

The product of its digits is 387072, while the sum is 44.

The square root of 1478423429 is about 38450.2721576844. The cubic root of 1478423429 is about 1139.1990447018.

The spelling of 1478423429 in words is "one billion, four hundred seventy-eight million, four hundred twenty-three thousand, four hundred twenty-nine".

Divisors: 1 7 1709 11963 123583 865081 211203347 1478423429