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423024145 = 5372286617
BaseRepresentation
bin11001001101101…
…101011000010001
31002110222212000221
4121031231120101
51331243233040
6105550513041
713324434355
oct3115553021
91073885027
10423024145
111a7871335
12b9805781
136984335b
1440279465
152721074a
hex1936d611

423024145 has 8 divisors (see below), whose sum is σ = 521348904. Its totient is φ = 329272704.

The previous prime is 423024139. The next prime is 423024157. The reversal of 423024145 is 541420324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105329169 + 317694976 = 10263^2 + 17824^2 .

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 423024145 - 217 = 422893073 is a prime.

It is a Duffinian 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, 1143124 + ... + 1143493.

It is an arithmetic number, because the mean of its divisors is an integer number (65168613).

Almost surely, 2423024145 is an apocalyptic number.

It is an amenable number.

423024145 is a deficient number, since it is larger than the sum of its proper divisors (98324759).

423024145 is a wasteful number, since it uses less digits than its factorization.

423024145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286659.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 423024145 is about 20567.5507778637. The cubic root of 423024145 is about 750.6803574465.

Adding to 423024145 its reverse (541420324), we get a palindrome (964444469).

The spelling of 423024145 in words is "four hundred twenty-three million, twenty-four thousand, one hundred forty-five".

Divisors: 1 5 37 185 2286617 11433085 84604829 423024145