Search a number
-
+
1420045541 = 19197379387
BaseRepresentation
bin101010010100100…
…0010110011100101
310122222001210021022
41110221002303211
510402012424131
6352524300525
750122121315
oct12451026345
93588053238
101420045541
11669640262
123376a1745
13198279845
14d684d445
1584a0437b
hex54a42ce5

1420045541 has 8 divisors (see below), whose sum is σ = 1502376480. Its totient is φ = 1338473808.

The previous prime is 1420045531. The next prime is 1420045559. The reversal of 1420045541 is 1455400241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420045541 - 26 = 1420045477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420045541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420045531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185951 + ... + 193436.

It is an arithmetic number, because the mean of its divisors is an integer number (187797060).

Almost surely, 21420045541 is an apocalyptic number.

It is an amenable number.

1420045541 is a deficient number, since it is larger than the sum of its proper divisors (82330939).

1420045541 is a wasteful number, since it uses less digits than its factorization.

1420045541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379603.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1420045541 is about 37683.4916243174. The cubic root of 1420045541 is about 1124.0028803703.

Adding to 1420045541 its reverse (1455400241), we get a palindrome (2875445782).

The spelling of 1420045541 in words is "one billion, four hundred twenty million, forty-five thousand, five hundred forty-one".

Divisors: 1 19 197 3743 379387 7208353 74739239 1420045541