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1442744274 = 231092206031
BaseRepresentation
bin101010111111110…
…1000011111010010
310201112210000002010
41111333220133102
510423320304044
6355055003350
750516060346
oct12577503722
93645700063
101442744274
11680434144
12343209556
1319cb9644a
14d987b626
15869d9bb9
hex55fe87d2

1442744274 has 16 divisors (see below), whose sum is σ = 2911962240. Its totient is φ = 476502480.

The previous prime is 1442744273. The next prime is 1442744279. The reversal of 1442744274 is 4724472441.

It is a super-2 number, since 2×14427442742 = 4163022080319574152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442744273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102362 + ... + 1103669.

It is an arithmetic number, because the mean of its divisors is an integer number (181997640).

Almost surely, 21442744274 is an apocalyptic number.

1442744274 is an abundant number, since it is smaller than the sum of its proper divisors (1469217966).

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

1442744274 is a wasteful number, since it uses less digits than its factorization.

1442744274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206145.

The product of its digits is 200704, while the sum is 39.

The square root of 1442744274 is about 37983.4736958062. The cubic root of 1442744274 is about 1129.9601296398.

The spelling of 1442744274 in words is "one billion, four hundred forty-two million, seven hundred forty-four thousand, two hundred seventy-four".

Divisors: 1 2 3 6 109 218 327 654 2206031 4412062 6618093 13236186 240457379 480914758 721372137 1442744274