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1470729421 = 71671258109
BaseRepresentation
bin101011110101001…
…1000110011001101
310210111102210111001
41113222120303031
511003001320141
6401534500301
751305664610
oct12752306315
93714383431
101470729421
11695208867
12350664691
131a59142c5
14dd484177
15891b6a31
hex57a98ccd

1470729421 has 8 divisors (see below), whose sum is σ = 1690899840. Its totient is φ = 1253075568.

The previous prime is 1470729413. The next prime is 1470729427. The reversal of 1470729421 is 1249270741.

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

It is a cyclic number.

It is not a de Polignac number, because 1470729421 - 23 = 1470729413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1470729427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627886 + ... + 630223.

It is an arithmetic number, because the mean of its divisors is an integer number (211362480).

Almost surely, 21470729421 is an apocalyptic number.

It is an amenable number.

1470729421 is a deficient number, since it is larger than the sum of its proper divisors (220170419).

1470729421 is a wasteful number, since it uses less digits than its factorization.

1470729421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258283.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1470729421 is about 38350.0902345744. The cubic root of 1470729421 is about 1137.2194008352.

The spelling of 1470729421 in words is "one billion, four hundred seventy million, seven hundred twenty-nine thousand, four hundred twenty-one".

Divisors: 1 7 167 1169 1258109 8806763 210104203 1470729421