Search a number
-
+
127401426 = 2327077857
BaseRepresentation
bin1111001011111…
…11110111010010
322212201122220100
413211333313102
5230103321201
620350353230
73104615505
oct745776722
9285648810
10127401426
1165a07639
12367bb816
1320518a79
1412cc513c
15b2b8886
hex797fdd2

127401426 has 12 divisors (see below), whose sum is σ = 276036462. Its totient is φ = 42467136.

The previous prime is 127401419. The next prime is 127401433. The reversal of 127401426 is 624104721.

It is an interprime number because it is at equal distance from previous prime (127401419) and next prime (127401433).

It can be written as a sum of positive squares in only one way, i.e., 101909025 + 25492401 = 10095^2 + 5049^2 .

It is a super-2 number, since 2×1274014262 = 32462246693666952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127401426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3538911 + ... + 3538946.

Almost surely, 2127401426 is an apocalyptic number.

127401426 is an abundant number, since it is smaller than the sum of its proper divisors (148635036).

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

127401426 is a wasteful number, since it uses less digits than its factorization.

127401426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077865 (or 7077862 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 127401426 is about 11287.2240165596. The cubic root of 127401426 is about 503.1816130680.

The spelling of 127401426 in words is "one hundred twenty-seven million, four hundred one thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 7077857 14155714 21233571 42467142 63700713 127401426