Search a number
-
+
1242530414 = 2621265207
BaseRepresentation
bin100101000001111…
…1000001001101110
310012121001002021222
41022003320021232
510021041433124
6323143423342
742535222436
oct11203701156
93177032258
101242530414
11588415544
122a8154b52
1316a5659c8
14bb0412c6
157413c25e
hex4a0f826e

1242530414 has 4 divisors (see below), whose sum is σ = 1863795624. Its totient is φ = 621265206.

The previous prime is 1242530369. The next prime is 1242530447. The reversal of 1242530414 is 4140352421.

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

It is a super-2 number, since 2×12425304142 = 3087763659430022792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310632602 + ... + 310632605.

It is an arithmetic number, because the mean of its divisors is an integer number (465948906).

Almost surely, 21242530414 is an apocalyptic number.

1242530414 is a deficient number, since it is larger than the sum of its proper divisors (621265210).

1242530414 is an equidigital number, since it uses as much as digits as its factorization.

1242530414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621265209.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1242530414 is about 35249.5448764945. The cubic root of 1242530414 is about 1075.0673587502.

Adding to 1242530414 its reverse (4140352421), we get a palindrome (5382882835).

The spelling of 1242530414 in words is "one billion, two hundred forty-two million, five hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 621265207 1242530414