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147239212 = 22311187413
BaseRepresentation
bin10001100011010…
…11000100101100
3101021001112020011
420301223010230
5300143123322
622335503004
73435340561
oct1061530454
9337045204
10147239212
1176126aaa
1241387a64
13246733c3
14157aa868
15cdd6677
hex8c6b12c

147239212 has 12 divisors (see below), whose sum is σ = 265980736. Its totient is φ = 71244720.

The previous prime is 147239207. The next prime is 147239219. The reversal of 147239212 is 212932741.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (147239219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593583 + ... + 593830.

Almost surely, 2147239212 is an apocalyptic number.

It is an amenable number.

147239212 is a deficient number, since it is larger than the sum of its proper divisors (118741524).

147239212 is a wasteful number, since it uses less digits than its factorization.

147239212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187448 (or 1187446 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 147239212 is about 12134.2165795736. The cubic root of 147239212 is about 528.0493286864.

The spelling of 147239212 in words is "one hundred forty-seven million, two hundred thirty-nine thousand, two hundred twelve".

Divisors: 1 2 4 31 62 124 1187413 2374826 4749652 36809803 73619606 147239212