Search a number
-
+
5451552542 = 219143461909
BaseRepresentation
bin1010001001111000…
…00001011100011110
3112001221001120012102
411010330001130132
542131044140132
62300541405102
7252044301122
oct50474013436
915057046172
105451552542
112348294127
121081869792
1368b580147
1439a045582
1521d8eec62
hex144f0171e

5451552542 has 8 divisors (see below), whose sum is σ = 8607714600. Its totient is φ = 2582314344.

The previous prime is 5451552541. The next prime is 5451552563. The reversal of 5451552542 is 2452551545.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 143461909 = 5451552542 / (5 + 4 + 5 + 1 + 5 + 5 + 2 + 5 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 5451552496 and 5451552505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451552541) 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, 71730917 + ... + 71730992.

It is an arithmetic number, because the mean of its divisors is an integer number (1075964325).

Almost surely, 25451552542 is an apocalyptic number.

5451552542 is a deficient number, since it is larger than the sum of its proper divisors (3156162058).

5451552542 is a wasteful number, since it uses less digits than its factorization.

5451552542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143461930.

The product of its digits is 200000, while the sum is 38.

The square root of 5451552542 is about 73834.6296936607. The cubic root of 5451552542 is about 1759.9759533130.

The spelling of 5451552542 in words is "five billion, four hundred fifty-one million, five hundred fifty-two thousand, five hundred forty-two".

Divisors: 1 2 19 38 143461909 286923818 2725776271 5451552542