Search a number
-
+
1407842318 = 217139297893
BaseRepresentation
bin101001111101001…
…1111100000001110
310122010002210121002
41103322133200032
510340401423233
6351410540302
746613314361
oct12372374016
93563083532
101407842318
11662765853
12333597692
131958961bc
14d4d940d8
15838e36e8
hex53e9f80e

1407842318 has 16 divisors (see below), whose sum is σ = 2252078640. Its totient is φ = 657745536.

The previous prime is 1407842311. The next prime is 1407842347. The reversal of 1407842318 is 8132487041.

It is a super-2 number, since 2×14078423182 = 3964039984703226248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407842311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144221 + ... + 153672.

It is an arithmetic number, because the mean of its divisors is an integer number (140754915).

Almost surely, 21407842318 is an apocalyptic number.

1407842318 is a deficient number, since it is larger than the sum of its proper divisors (844236322).

1407842318 is a wasteful number, since it uses less digits than its factorization.

1407842318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298051.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1407842318 is about 37521.2249000482. The cubic root of 1407842318 is about 1120.7738906277.

The spelling of 1407842318 in words is "one billion, four hundred seven million, eight hundred forty-two thousand, three hundred eighteen".

Divisors: 1 2 17 34 139 278 2363 4726 297893 595786 5064181 10128362 41407127 82814254 703921159 1407842318