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147742133 = 7112383423
BaseRepresentation
bin10001100111001…
…01110110110101
3101022000002002212
420303211312311
5300310222013
622354343205
73442534040
oct1063456665
9338002085
10147742133
117643a940
124158ab05
13247bb2a6
141589bc57
15ce856a8
hex8ce5db5

147742133 has 16 divisors (see below), whose sum is σ = 192208896. Its totient is φ = 110117040.

The previous prime is 147742123. The next prime is 147742139. The reversal of 147742133 is 331247741.

It is not a de Polignac number, because 147742133 - 24 = 147742117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147742133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147742139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39941 + ... + 43482.

It is an arithmetic number, because the mean of its divisors is an integer number (12013056).

Almost surely, 2147742133 is an apocalyptic number.

It is an amenable number.

147742133 is a deficient number, since it is larger than the sum of its proper divisors (44466763).

147742133 is a wasteful number, since it uses less digits than its factorization.

147742133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83464.

The product of its digits is 14112, while the sum is 32.

The square root of 147742133 is about 12154.9221716965. The cubic root of 147742133 is about 528.6498600752.

Adding to 147742133 its reverse (331247741), we get a palindrome (478989874).

The spelling of 147742133 in words is "one hundred forty-seven million, seven hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 7 11 23 77 161 253 1771 83423 583961 917653 1918729 6423571 13431103 21106019 147742133