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147641031 = 3216404559
BaseRepresentation
bin10001100110011…
…01001011000111
3101021210221102100
420303031023013
5300244003111
622352243143
73441633216
oct1063151307
9337727370
10147641031
117638098a
12415404b3
1324784275
141587307d
15ce65756
hex8ccd2c7

147641031 has 6 divisors (see below), whose sum is σ = 213259280. Its totient is φ = 98427348.

The previous prime is 147641023. The next prime is 147641033. The reversal of 147641031 is 130146741.

It is a happy number.

147641031 is a `hidden beast` number, since 14 + 7 + 641 + 0 + 3 + 1 = 666.

147641031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147641031 - 23 = 147641023 is a prime.

It is a super-2 number, since 2×1476410312 = 43595748069485922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147640986 and 147641004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147641033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8202271 + ... + 8202288.

Almost surely, 2147641031 is an apocalyptic number.

147641031 is a deficient number, since it is larger than the sum of its proper divisors (65618249).

147641031 is a wasteful number, since it uses less digits than its factorization.

147641031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16404565 (or 16404562 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 147641031 is about 12150.7625686621. The cubic root of 147641031 is about 528.5292450700.

Adding to 147641031 its reverse (130146741), we get a palindrome (277787772).

The spelling of 147641031 in words is "one hundred forty-seven million, six hundred forty-one thousand, thirty-one".

Divisors: 1 3 9 16404559 49213677 147641031