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151161423 = 3721028309
BaseRepresentation
bin10010000001010…
…00101001001111
3101112102210111020
421000220221033
5302144131143
622555525223
73513564600
oct1100505117
9345383436
10151161423
11783658a6
1242759813
132541773a
141610bda7
15d40d883
hex9028a4f

151161423 has 12 divisors (see below), whose sum is σ = 234454680. Its totient is φ = 86377872.

The previous prime is 151161389. The next prime is 151161443. The reversal of 151161423 is 324161151.

It is a happy number.

It is not a de Polignac number, because 151161423 - 28 = 151161167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151161393 and 151161402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151161443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514008 + ... + 514301.

It is an arithmetic number, because the mean of its divisors is an integer number (19537890).

Almost surely, 2151161423 is an apocalyptic number.

151161423 is a deficient number, since it is larger than the sum of its proper divisors (83293257).

151161423 is a wasteful number, since it uses less digits than its factorization.

151161423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028326 (or 1028319 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 151161423 is about 12294.7721817039. The cubic root of 151161423 is about 532.6970894237.

The spelling of 151161423 in words is "one hundred fifty-one million, one hundred sixty-one thousand, four hundred twenty-three".

Divisors: 1 3 7 21 49 147 1028309 3084927 7198163 21594489 50387141 151161423