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62540442 = 2323474469
BaseRepresentation
bin1110111010010…
…0101010011010
311100200101100200
43232210222122
5112002243232
610112243030
71356404436
oct356445232
9140611320
1062540442
1132336618
1218b40476
13cc593a3
14843d9c6
15575577c
hex3ba4a9a

62540442 has 12 divisors (see below), whose sum is σ = 135504330. Its totient is φ = 20846808.

The previous prime is 62540437. The next prime is 62540449. The reversal of 62540442 is 24404526.

It can be written as a sum of positive squares in only one way, i.e., 56385081 + 6155361 = 7509^2 + 2481^2 .

It is a super-2 number, since 2×625404422 = 7822613771110728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (62540449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1737217 + ... + 1737252.

Almost surely, 262540442 is an apocalyptic number.

62540442 is an abundant number, since it is smaller than the sum of its proper divisors (72963888).

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

62540442 is a wasteful number, since it uses less digits than its factorization.

62540442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474477 (or 3474474 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 62540442 is about 7908.2515134510. The cubic root of 62540442 is about 396.9358414340.

Adding to 62540442 its reverse (24404526), we get a palindrome (86944968).

The spelling of 62540442 in words is "sixty-two million, five hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 3474469 6948938 10423407 20846814 31270221 62540442