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537451489 = 9722392
BaseRepresentation
bin100000000010001…
…101101111100001
31101110022100211201
4200002031233201
52100041421424
6125155241201
716214155651
oct4002155741
91343270751
10537451489
11256417293
1212bba9201
1387468943
1451544361
15322b4d44
hex2008dbe1

537451489 has 9 divisors (see below), whose sum is σ = 545331027. Its totient is φ = 529685184.

The previous prime is 537451487. The next prime is 537451531. The reversal of 537451489 is 984154735.

The square root of 537451489 is 23183.

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., 241336225 + 296115264 = 15535^2 + 17208^2 .

It is not a de Polignac number, because 537451489 - 21 = 537451487 is a prime.

It is a Duffinian number.

Its product of digits (604800) is a multiple of the sum of its prime divisors (336).

It is not an unprimeable number, because it can be changed into a prime (537451483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2248632 + ... + 2248870.

Almost surely, 2537451489 is an apocalyptic number.

537451489 is the 23183-rd square number.

537451489 is the 11592-nd centered octagonal number.

It is an amenable number.

537451489 is a deficient number, since it is larger than the sum of its proper divisors (7879538).

537451489 is an frugal number, since it uses more digits than its factorization.

537451489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 336 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The cubic root of 537451489 is about 813.0422045288.

The spelling of 537451489 in words is "five hundred thirty-seven million, four hundred fifty-one thousand, four hundred eighty-nine".

Divisors: 1 97 239 9409 23183 57121 2248751 5540737 537451489