Search a number
-
+
1427735380 = 225312302799
BaseRepresentation
bin101010100011001…
…1000001101010100
310200111112110202011
41111012120031110
510411000013010
6353401154004
750244356551
oct12506301524
93614473664
101427735380
11672a127a5
1233a18b904
13199a3ca46
14d7891a28
1585522a8a
hex55198354

1427735380 has 24 divisors (see below), whose sum is σ = 3094963200. Its totient is φ = 552671520.

The previous prime is 1427735371. The next prime is 1427735389. The reversal of 1427735380 is 835377241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1427735371) and next prime (1427735389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427735389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150780 + ... + 1152019.

It is an arithmetic number, because the mean of its divisors is an integer number (128956800).

Almost surely, 21427735380 is an apocalyptic number.

1427735380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427735380 is an abundant number, since it is smaller than the sum of its proper divisors (1667227820).

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

1427735380 is a wasteful number, since it uses less digits than its factorization.

1427735380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302839 (or 2302837 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 1427735380 is about 37785.3857992743. The cubic root of 1427735380 is about 1126.0281313858.

The spelling of 1427735380 in words is "one billion, four hundred twenty-seven million, seven hundred thirty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 2302799 4605598 9211196 11513995 23027990 46055980 71386769 142773538 285547076 356933845 713867690 1427735380