Search a number
-
+
31422114 = 233581891
BaseRepresentation
bin111011111011…
…1011010100010
32012010102001000
41313313122202
531021001424
63041252430
7531040443
oct167673242
965112030
1031422114
1116811999
12a634116
136682389
14425d2ca
152b5a3c9
hex1df76a2

31422114 has 16 divisors (see below), whose sum is σ = 69827040. Its totient is φ = 10474020.

The previous prime is 31422101. The next prime is 31422151. The reversal of 31422114 is 41122413.

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 7 ways as a sum of consecutive naturals, for example, 290892 + ... + 290999.

It is an arithmetic number, because the mean of its divisors is an integer number (4364190).

Almost surely, 231422114 is an apocalyptic number.

31422114 is an abundant number, since it is smaller than the sum of its proper divisors (38404926).

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

31422114 is a wasteful number, since it uses less digits than its factorization.

31422114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581902 (or 581896 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 31422114 is about 5605.5431494192. The cubic root of 31422114 is about 315.5574708844.

Adding to 31422114 its reverse (41122413), we get a palindrome (72544527).

The spelling of 31422114 in words is "thirty-one million, four hundred twenty-two thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 581891 1163782 1745673 3491346 5237019 10474038 15711057 31422114