Search a number
-
+
1020010445 = 51151177239
BaseRepresentation
bin111100110011000…
…001111111001101
32122002022220021122
4330303001333031
54042110313240
6245114210325
734163642246
oct7463017715
92562286248
101020010445
11483850a43
122457239a5
1313342529c
1499679ccd
155e8354b5
hex3ccc1fcd

1020010445 has 8 divisors (see below), whose sum is σ = 1225082880. Its totient is φ = 815294800.

The previous prime is 1020010441. The next prime is 1020010447. The reversal of 1020010445 is 5440100201.

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

It is not a de Polignac number, because 1020010445 - 22 = 1020010441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020010441) 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, 82865 + ... + 94374.

It is an arithmetic number, because the mean of its divisors is an integer number (153135360).

Almost surely, 21020010445 is an apocalyptic number.

It is an amenable number.

1020010445 is a deficient number, since it is larger than the sum of its proper divisors (205072435).

1020010445 is a wasteful number, since it uses less digits than its factorization.

1020010445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178395.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1020010445 is about 31937.6023677420. The cubic root of 1020010445 is about 1006.6261455530.

Adding to 1020010445 its reverse (5440100201), we get a palindrome (6460110646).

The spelling of 1020010445 in words is "one billion, twenty million, ten thousand, four hundred forty-five".

Divisors: 1 5 1151 5755 177239 886195 204002089 1020010445