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147730232 = 23131420483
BaseRepresentation
bin10001100111000…
…10111100111000
3101021222110210002
420303202330320
5300304331412
622354212132
73442454246
oct1063427470
9337873702
10147730232
1176431a01
1241584048
13247b5a50
1415897796
15ce81dc2
hex8ce2f38

147730232 has 16 divisors (see below), whose sum is σ = 298301640. Its totient is φ = 68183136.

The previous prime is 147730229. The next prime is 147730273. The reversal of 147730232 is 232037741.

147730232 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 147730195 and 147730204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710138 + ... + 710345.

Almost surely, 2147730232 is an apocalyptic number.

It is an amenable number.

147730232 is an abundant number, since it is smaller than the sum of its proper divisors (150571408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147730232 is a wasteful number, since it uses less digits than its factorization.

147730232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420502 (or 1420498 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 147730232 is about 12154.4326070780. The cubic root of 147730232 is about 528.6356650026.

Adding to 147730232 its reverse (232037741), we get a palindrome (379767973).

The spelling of 147730232 in words is "one hundred forty-seven million, seven hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 1420483 2840966 5681932 11363864 18466279 36932558 73865116 147730232