Base | Representation |
---|---|
bin | 111110101010110… |
… | …110110100100000 |
3 | 2201021102202210222 |
4 | 332222312310200 |
5 | 4123131000414 |
6 | 252155342212 |
7 | 35024640134 |
oct | 7652666440 |
9 | 2637382728 |
10 | 1051421984 |
11 | 49a555998 |
12 | 254151968 |
13 | 139aa28b2 |
14 | 9d8d53c4 |
15 | 6248c68e |
hex | 3eab6d20 |
1051421984 has 24 divisors (see below), whose sum is σ = 2191752108. Its totient is φ = 494786560.
The previous prime is 1051421983. The next prime is 1051421989. The reversal of 1051421984 is 4891241501.
It can be written as a sum of positive squares in 2 ways, for example, as 872611600 + 178810384 = 29540^2 + 13372^2 .
It is a super-2 number, since 2×10514219842 = 2210976376876992512, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1051421983) 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, 965837 + ... + 966924.
Almost surely, 21051421984 is an apocalyptic number.
It is an amenable number.
1051421984 is an abundant number, since it is smaller than the sum of its proper divisors (1140330124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1051421984 is a wasteful number, since it uses less digits than its factorization.
1051421984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1932788 (or 1932780 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 35.
The square root of 1051421984 is about 32425.6377577990. The cubic root of 1051421984 is about 1016.8549750388.
The spelling of 1051421984 in words is "one billion, fifty-one million, four hundred twenty-one thousand, nine hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •