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1420421244 = 2231110760767
BaseRepresentation
bin101010010101001…
…1110100001111100
310122222202212122020
41110222132201330
510402111434434
6352540320140
750125244544
oct12452364174
93588685566
101420421244
11669877560
12337843050
1319837b858
14d690a324
1584a7a849
hex54a9e87c

1420421244 has 24 divisors (see below), whose sum is σ = 3615618048. Its totient is φ = 430430640.

The previous prime is 1420421203. The next prime is 1420421257. The reversal of 1420421244 is 4421240241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5380252 + ... + 5380515.

It is an arithmetic number, because the mean of its divisors is an integer number (150650752).

Almost surely, 21420421244 is an apocalyptic number.

It is an amenable number.

1420421244 is an abundant number, since it is smaller than the sum of its proper divisors (2195196804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420421244 is a wasteful number, since it uses less digits than its factorization.

1420421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760785 (or 10760783 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1420421244 is about 37688.4762759122. The cubic root of 1420421244 is about 1124.1019978529.

Adding to 1420421244 its reverse (4421240241), we get a palindrome (5841661485).

The spelling of 1420421244 in words is "one billion, four hundred twenty million, four hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 10760767 21521534 32282301 43043068 64564602 118368437 129129204 236736874 355105311 473473748 710210622 1420421244