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491348552 = 231724612
BaseRepresentation
bin11101010010010…
…110001001001000
31021020120002111112
4131102112021020
52001241123202
6120431145452
715114252032
oct3522261110
91236502445
10491348552
11232398492
12118675288
137aa462b6
1449382c52
152d209b52
hex1d496248

491348552 has 36 divisors (see below), whose sum is σ = 980786715. Its totient is φ = 230721280.

The previous prime is 491348527. The next prime is 491348579. The reversal of 491348552 is 255843194.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 300190276 + 191158276 = 17326^2 + 13826^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=15674.

It is a Duffinian number.

Its product of digits (172800) is a multiple of the sum of its prime divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1065602 + ... + 1066062.

Almost surely, 2491348552 is an apocalyptic number.

It is an amenable number.

491348552 is a deficient number, since it is larger than the sum of its proper divisors (489438163).

491348552 is an equidigital number, since it uses as much as digits as its factorization.

491348552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 480 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 491348552 is about 22166.3833766359. The cubic root of 491348552 is about 789.0960937555.

The spelling of 491348552 in words is "four hundred ninety-one million, three hundred forty-eight thousand, five hundred fifty-two".

Divisors: 1 2 4 8 17 34 68 136 289 461 578 922 1156 1844 2312 3688 7837 15674 31348 62696 133229 212521 266458 425042 532916 850084 1065832 1700168 3612857 7225714 14451428 28902856 61418569 122837138 245674276 491348552