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1420310452 = 221132279783
BaseRepresentation
bin101010010101000…
…0011011110110100
310122222120020122211
41110222003132310
510402044413302
6352534103204
750124303541
oct12452033664
93588506584
101420310452
116698012a0
123377aab04
131983402b2
14d68bbbc8
1584a57ad7
hex54a837b4

1420310452 has 12 divisors (see below), whose sum is σ = 2711501856. Its totient is φ = 645595640.

The previous prime is 1420310431. The next prime is 1420310461. The reversal of 1420310452 is 2540130241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16139848 + ... + 16139935.

It is an arithmetic number, because the mean of its divisors is an integer number (225958488).

Almost surely, 21420310452 is an apocalyptic number.

It is an amenable number.

1420310452 is a deficient number, since it is larger than the sum of its proper divisors (1291191404).

1420310452 is a wasteful number, since it uses less digits than its factorization.

1420310452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32279798 (or 32279796 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1420310452 is about 37687.0064080447. The cubic root of 1420310452 is about 1124.0727706671.

Adding to 1420310452 its reverse (2540130241), we get a palindrome (3960440693).

The spelling of 1420310452 in words is "one billion, four hundred twenty million, three hundred ten thousand, four hundred fifty-two".

Divisors: 1 2 4 11 22 44 32279783 64559566 129119132 355077613 710155226 1420310452