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58742440 = 2351468561
BaseRepresentation
bin1110000000010…
…1011010101000
311002112102110221
43200011122220
5110014224230
65455015424
71312205521
oct340053250
9132472427
1058742440
1130182079
121780a574
13c229753
147b31848
15525527a
hex38056a8

58742440 has 16 divisors (see below), whose sum is σ = 132170580. Its totient is φ = 23496960.

The previous prime is 58742423. The next prime is 58742441. The reversal of 58742440 is 4424785.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56821444 + 1920996 = 7538^2 + 1386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 58742396 and 58742405.

It is not an unprimeable number, because it can be changed into a prime (58742441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734241 + ... + 734320.

Almost surely, 258742440 is an apocalyptic number.

It is an amenable number.

58742440 is an abundant number, since it is smaller than the sum of its proper divisors (73428140).

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

58742440 is a wasteful number, since it uses less digits than its factorization.

58742440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468572 (or 1468568 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 58742440 is about 7664.3616824886. The cubic root of 58742440 is about 388.7323293009.

The spelling of 58742440 in words is "fifty-eight million, seven hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1468561 2937122 5874244 7342805 11748488 14685610 29371220 58742440