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147428164 = 221324672
BaseRepresentation
bin10001100100110…
…01001101000100
3101021102010102101
420302121031010
5300220200124
622343521444
73440055502
oct1062311504
9337363371
10147428164
1176245a64
1241459284
132470b400
1415819672
15ce22644
hex8c99344

147428164 has 27 divisors (see below), whose sum is σ = 279971517. Its totient is φ = 67898064.

The previous prime is 147428161. The next prime is 147428173. The reversal of 147428164 is 461824741.

It is a happy number.

The square root of 147428164 is 12142.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 125619264 = 4670^2 + 11208^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147428161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 315459 + ... + 315925.

Almost surely, 2147428164 is an apocalyptic number.

147428164 is the 12142-nd square number.

It is an amenable number.

147428164 is a deficient number, since it is larger than the sum of its proper divisors (132543353).

147428164 is an equidigital number, since it uses as much as digits as its factorization.

147428164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 482 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The cubic root of 147428164 is about 528.2751139352.

The spelling of 147428164 in words is "one hundred forty-seven million, four hundred twenty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 13 26 52 169 338 467 676 934 1868 6071 12142 24284 78923 157846 218089 315692 436178 872356 2835157 5670314 11340628 36857041 73714082 147428164