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1024435421 = 13945716127
BaseRepresentation
bin111101000011111…
…010010011011101
32122101122201012122
4331003322103131
54044223413141
6245353112325
734246362122
oct7503722335
92571581178
101024435421
114862a3549
122470b86a5
13134314409
149a0ac749
155ee0b64b
hex3d0fa4dd

1024435421 has 8 divisors (see below), whose sum is σ = 1034127360. Its totient is φ = 1014776928.

The previous prime is 1024435417. The next prime is 1024435429. The reversal of 1024435421 is 1245344201.

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 1024435421 - 22 = 1024435417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024435429) 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, 55460 + ... + 71586.

It is an arithmetic number, because the mean of its divisors is an integer number (129265920).

Almost surely, 21024435421 is an apocalyptic number.

It is an amenable number.

1024435421 is a deficient number, since it is larger than the sum of its proper divisors (9691939).

1024435421 is a wasteful number, since it uses less digits than its factorization.

1024435421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16723.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1024435421 is about 32006.8027300447. The cubic root of 1024435421 is about 1008.0796832348.

Adding to 1024435421 its reverse (1245344201), we get a palindrome (2269779622).

The spelling of 1024435421 in words is "one billion, twenty-four million, four hundred thirty-five thousand, four hundred twenty-one".

Divisors: 1 139 457 16127 63523 2241653 7370039 1024435421