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1421048529 = 34371373461
BaseRepresentation
bin101010010110011…
…0111101011010001
310200000221202010000
41110230313223101
510402242023104
6353002000213
750133466425
oct12454675321
93600852100
101421048529
1166a16587a
12337aa6069
1319853b224
14d6a30b85
1584b51639
hex54b37ad1

1421048529 has 40 divisors (see below), whose sum is σ = 2196722088. Its totient is φ = 914768640.

The previous prime is 1421048521. The next prime is 1421048533. The reversal of 1421048529 is 9258401241.

1421048529 is a `hidden beast` number, since 142 + 10 + 485 + 29 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 328878225 + 1092170304 = 18135^2 + 33048^2 .

It is not a de Polignac number, because 1421048529 - 23 = 1421048521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421048493 and 1421048502.

It is not an unprimeable number, because it can be changed into a prime (1421048521) 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 39 ways as a sum of consecutive naturals, for example, 408859 + ... + 412319.

Almost surely, 21421048529 is an apocalyptic number.

It is an amenable number.

1421048529 is a deficient number, since it is larger than the sum of its proper divisors (775673559).

1421048529 is a wasteful number, since it uses less digits than its factorization.

1421048529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1421048529 is about 37696.7973308078. The cubic root of 1421048529 is about 1124.2674484308.

The spelling of 1421048529 in words is "one billion, four hundred twenty-one million, forty-eight thousand, five hundred twenty-nine".

Divisors: 1 3 9 27 37 81 111 137 333 411 999 1233 2997 3461 3699 5069 10383 11097 15207 31149 45621 93447 128057 136863 280341 384171 410589 474157 1152513 1422471 3457539 4267413 10372617 12802239 17543809 38406717 52631427 157894281 473682843 1421048529