Search a number
-
+
2420443442 = 21771189513
BaseRepresentation
bin1001000001000101…
…0000100100110010
320020200111021012102
42100101100210302
514424113142232
61040102300402
7113660300264
oct22021204462
96220437172
102420443442
111032305a8a
12576727702
132c75c5b71
1418d661b34
15e2763662
hex90450932

2420443442 has 8 divisors (see below), whose sum is σ = 3844233756. Its totient is φ = 1139032192.

The previous prime is 2420443423. The next prime is 2420443447. The reversal of 2420443442 is 2443440242.

It can be written as a sum of positive squares in 2 ways, for example, as 2408944561 + 11498881 = 49081^2 + 3391^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2420443447) 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, 35594723 + ... + 35594790.

Almost surely, 22420443442 is an apocalyptic number.

2420443442 is a deficient number, since it is larger than the sum of its proper divisors (1423790314).

2420443442 is a wasteful number, since it uses less digits than its factorization.

2420443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71189532.

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 2420443442 is about 49198.0024187975. The cubic root of 2420443442 is about 1342.6566885929.

Adding to 2420443442 its reverse (2443440242), we get a palindrome (4863883684).

The spelling of 2420443442 in words is "two billion, four hundred twenty million, four hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 17 34 71189513 142379026 1210221721 2420443442