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537144390 = 232543138797
BaseRepresentation
bin100000000001000…
…010110001000110
31101102201202120200
4200001002301012
52100002110030
6125144511330
716211436426
oct4001026106
91342652520
10537144390
11256227592
1212ba7b546
138738bc23
14514a4486
1532253d60
hex20042c46

537144390 has 48 divisors (see below), whose sum is σ = 1429064208. Its totient is φ = 139906368.

The previous prime is 537144371. The next prime is 537144401. The reversal of 537144390 is 93441735.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65529 + ... + 73268.

It is an arithmetic number, because the mean of its divisors is an integer number (29772171).

Almost surely, 2537144390 is an apocalyptic number.

537144390 is an abundant number, since it is smaller than the sum of its proper divisors (891919818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

537144390 is a wasteful number, since it uses less digits than its factorization.

537144390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138853 (or 138850 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 537144390 is about 23176.3756873244. The cubic root of 537144390 is about 812.8873179795.

The spelling of 537144390 in words is "five hundred thirty-seven million, one hundred forty-four thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 43 45 86 90 129 215 258 387 430 645 774 1290 1935 3870 138797 277594 416391 693985 832782 1249173 1387970 2081955 2498346 4163910 5968271 6245865 11936542 12491730 17904813 29841355 35809626 53714439 59682710 89524065 107428878 179048130 268572195 537144390