Search a number
-
+
1426122980 = 225439716217
BaseRepresentation
bin101010100000000…
…1110100011100100
310200101111112221122
41111000032203210
510410041413410
6353302433112
750224562642
oct12500164344
93611445848
101426122980
11672011337
12339732798
131995c6b69
14d7592192
1585304e55
hex5500e8e4

1426122980 has 24 divisors (see below), whose sum is σ = 2995724088. Its totient is φ = 570284288.

The previous prime is 1426122959. The next prime is 1426122983. The reversal of 1426122980 is 892216241.

It can be written as a sum of positive squares in 4 ways, for example, as 297700516 + 1128422464 = 17254^2 + 33592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1426122980.

It is not an unprimeable number, because it can be changed into a prime (1426122983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79832 + ... + 96048.

It is an arithmetic number, because the mean of its divisors is an integer number (124821837).

Almost surely, 21426122980 is an apocalyptic number.

1426122980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426122980 is an abundant number, since it is smaller than the sum of its proper divisors (1569601108).

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

1426122980 is a wasteful number, since it uses less digits than its factorization.

1426122980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20623 (or 20621 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1426122980 is about 37764.0434805385. The cubic root of 1426122980 is about 1125.6040818283.

The spelling of 1426122980 in words is "one billion, four hundred twenty-six million, one hundred twenty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 4397 8794 16217 17588 21985 32434 43970 64868 81085 87940 162170 324340 71306149 142612298 285224596 356530745 713061490 1426122980