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50430442 = 225215221
BaseRepresentation
bin1100000001100…
…0000111101010
310111220010120011
43000120013222
5100402233232
65000522134
71151436346
oct300300752
9114803504
1050430442
1126515157
1214a8034a
13a5a92ca
1469aa626
154662547
hex30181ea

50430442 has 4 divisors (see below), whose sum is σ = 75645666. Its totient is φ = 25215220.

The previous prime is 50430439. The next prime is 50430473. The reversal of 50430442 is 24403405.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50424201 + 6241 = 7101^2 + 79^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12607609 + ... + 12607612.

Almost surely, 250430442 is an apocalyptic number.

50430442 is a deficient number, since it is larger than the sum of its proper divisors (25215224).

50430442 is a wasteful number, since it uses less digits than its factorization.

50430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25215223.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 50430442 is about 7101.4394315519. The cubic root of 50430442 is about 369.4573051990.

Adding to 50430442 its reverse (24403405), we get a palindrome (74833847).

The spelling of 50430442 in words is "fifty million, four hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 25215221 50430442