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1424521345 = 513139157667
BaseRepresentation
bin101010011101000…
…0111100010000001
310200021111011220211
41110322013202001
510404134140340
6353204234121
750205142312
oct12472074201
93607434824
101424521345
11671117a75
1233909b941
13199185b50
14d7296609
15850da5ea
hex54e87881

1424521345 has 16 divisors (see below), whose sum is σ = 1854175680. Its totient is φ = 1044379584.

The previous prime is 1424521337. The next prime is 1424521367. The reversal of 1424521345 is 5431254241.

It is a cyclic number.

It is not a de Polignac number, because 1424521345 - 23 = 1424521337 is a prime.

It is a super-2 number, since 2×14245213452 = 4058522124721218050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69799 + ... + 87868.

It is an arithmetic number, because the mean of its divisors is an integer number (115885980).

Almost surely, 21424521345 is an apocalyptic number.

It is an amenable number.

1424521345 is a deficient number, since it is larger than the sum of its proper divisors (429654335).

1424521345 is a wasteful number, since it uses less digits than its factorization.

1424521345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157824.

The product of its digits is 19200, while the sum is 31.

The square root of 1424521345 is about 37742.8317035169. The cubic root of 1424521345 is about 1125.1825468385.

Adding to 1424521345 its reverse (5431254241), we get a palindrome (6855775586).

The spelling of 1424521345 in words is "one billion, four hundred twenty-four million, five hundred twenty-one thousand, three hundred forty-five".

Divisors: 1 5 13 65 139 695 1807 9035 157667 788335 2049671 10248355 21915713 109578565 284904269 1424521345