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42931350 = 23352721159
BaseRepresentation
bin1010001111000…
…1010010010110
32222210010202000
42203301102112
541442300400
64132100130
71030624200
oct243612226
988703660
1042931350
1122262a60
1212464646
138b81b87
1459b7770
153b80600
hex28f1496

42931350 has 288 divisors, whose sum is σ = 152668800. Its totient is φ = 8769600.

The previous prime is 42931349. The next prime is 42931391. The reversal of 42931350 is 5313924.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 727621 + ... + 727679.

It is an arithmetic number, because the mean of its divisors is an integer number (530100).

Almost surely, 242931350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42931350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76334400).

42931350 is an abundant number, since it is smaller than the sum of its proper divisors (109737450).

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

42931350 is a wasteful number, since it uses less digits than its factorization.

42931350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 42931350 is about 6552.2019199655. The cubic root of 42931350 is about 350.1532662077.

The spelling of 42931350 in words is "forty-two million, nine hundred thirty-one thousand, three hundred fifty".