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1304312242 = 21314978291
BaseRepresentation
bin100110110111110…
…0011100110110010
310100220021221000211
41031233203212302
510132400442432
6333231534334
744215320412
oct11557434662
93326257024
101304312242
1160a283102
1230498a3aa
1317a2b79bc
14c5324642
1579792d47
hex4dbe39b2

1304312242 has 8 divisors (see below), whose sum is σ = 1971403632. Its totient is φ = 647177700.

The previous prime is 1304312237. The next prime is 1304312287. The reversal of 1304312242 is 2422134031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488884 + ... + 2489407.

It is an arithmetic number, because the mean of its divisors is an integer number (246425454).

Almost surely, 21304312242 is an apocalyptic number.

1304312242 is a deficient number, since it is larger than the sum of its proper divisors (667091390).

1304312242 is a wasteful number, since it uses less digits than its factorization.

1304312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978424.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1304312242 is about 36115.2632829944. The cubic root of 1304312242 is about 1092.5983076692.

Adding to 1304312242 its reverse (2422134031), we get a palindrome (3726446273).

The spelling of 1304312242 in words is "one billion, three hundred four million, three hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 131 262 4978291 9956582 652156121 1304312242