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552621461 = 7273154493
BaseRepresentation
bin100000111100000…
…101010110010101
31102111212002010112
4200330011112111
52112432341321
6130500332405
716460130200
oct4074052625
91374762115
10552621461
11263a38757
121350a4105
138a64a762
1453572937
15337aea5b
hex20f05595

552621461 has 12 divisors (see below), whose sum is σ = 651655692. Its totient is φ = 467183808.

The previous prime is 552621439. The next prime is 552621473. The reversal of 552621461 is 164126255.

It can be written as a sum of positive squares in 2 ways, for example, as 118940836 + 433680625 = 10906^2 + 20825^2 .

It is not a de Polignac number, because 552621461 - 210 = 552620437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552621661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73670 + ... + 80823.

It is an arithmetic number, because the mean of its divisors is an integer number (54304641).

Almost surely, 2552621461 is an apocalyptic number.

It is an amenable number.

552621461 is a deficient number, since it is larger than the sum of its proper divisors (99034231).

552621461 is a wasteful number, since it uses less digits than its factorization.

552621461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154580 (or 154573 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 552621461 is about 23507.9020969545. The cubic root of 552621461 is about 820.6209162897.

The spelling of 552621461 in words is "five hundred fifty-two million, six hundred twenty-one thousand, four hundred sixty-one".

Divisors: 1 7 49 73 511 3577 154493 1081451 7570157 11277989 78945923 552621461