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147423146 = 21323246527
BaseRepresentation
bin10001100100101…
…11111110101010
3101021101212112112
420302113332222
5300220020041
622343442322
73440035043
oct1062277652
9337355475
10147423146
1176242212
12414563a2
1324709040
14158178ca
15ce20deb
hex8c97faa

147423146 has 16 divisors (see below), whose sum is σ = 248500224. Its totient is φ = 65082864.

The previous prime is 147423127. The next prime is 147423149. The reversal of 147423146 is 641324741.

It is a super-3 number, since 3×1474231463 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (147423149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122666 + ... + 123861.

It is an arithmetic number, because the mean of its divisors is an integer number (15531264).

Almost surely, 2147423146 is an apocalyptic number.

147423146 is a deficient number, since it is larger than the sum of its proper divisors (101077078).

147423146 is a wasteful number, since it uses less digits than its factorization.

147423146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246565.

The product of its digits is 16128, while the sum is 32.

The square root of 147423146 is about 12141.7933601260. The cubic root of 147423146 is about 528.2691202486.

Adding to 147423146 its reverse (641324741), we get a palindrome (788747887).

The spelling of 147423146 in words is "one hundred forty-seven million, four hundred twenty-three thousand, one hundred forty-six".

Divisors: 1 2 13 23 26 46 299 598 246527 493054 3204851 5670121 6409702 11340242 73711573 147423146