[go: up one dir, main page]

Search a number
-
+
1405142010 = 232515612689
BaseRepresentation
bin101001111000000…
…1100001111111010
310121221000121110200
41103300030033322
510334204021020
6351233023030
746551336636
oct12360141772
93557017420
101405142010
11661190a98
123326b4a76
1319515c09c
14d488ddc6
158355d590
hex53c0c3fa

1405142010 has 24 divisors (see below), whose sum is σ = 3653369460. Its totient is φ = 374704512.

The previous prime is 1405142009. The next prime is 1405142027. The reversal of 1405142010 is 102415041.

1405142010 is a `hidden beast` number, since 140 + 514 + 2 + 0 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1258901361 + 146240649 = 35481^2 + 12093^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7806255 + ... + 7806434.

Almost surely, 21405142010 is an apocalyptic number.

1405142010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1405142010 is an abundant number, since it is smaller than the sum of its proper divisors (2248227450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1405142010 is a wasteful number, since it uses less digits than its factorization.

1405142010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15612702 (or 15612699 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1405142010 is about 37485.2238888872. The cubic root of 1405142010 is about 1120.0568662666.

Adding to 1405142010 its reverse (102415041), we get a palindrome (1507557051).

The spelling of 1405142010 in words is "one billion, four hundred five million, one hundred forty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 15612689 31225378 46838067 78063445 93676134 140514201 156126890 234190335 281028402 468380670 702571005 1405142010