Search a number
-
+
5432438557 = 721315435527
BaseRepresentation
bin1010000111100110…
…00110111100011101
3112000121002110202001
411003303012330131
542111201013212
62255020002301
7251422652200
oct50363067435
915017073661
105432438557
112338519547
121077390391
1368761a0b0
143976ab937
1521bdc6657
hex143cc6f1d

5432438557 has 24 divisors (see below), whose sum is σ = 6811115136. Its totient is φ = 4294630368.

The previous prime is 5432438533. The next prime is 5432438581. The reversal of 5432438557 is 7558342345.

It is an interprime number because it is at equal distance from previous prime (5432438533) and next prime (5432438581).

It is a de Polignac number, because none of the positive numbers 2k-5432438557 is a prime.

It is a super-2 number, since 2×54324385572 = 59022777351160484498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5432438507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 980128 + ... + 985654.

It is an arithmetic number, because the mean of its divisors is an integer number (283796464).

Almost surely, 25432438557 is an apocalyptic number.

It is an amenable number.

5432438557 is a deficient number, since it is larger than the sum of its proper divisors (1378676579).

5432438557 is a wasteful number, since it uses less digits than its factorization.

5432438557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7090 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The square root of 5432438557 is about 73705.0782307434. The cubic root of 5432438557 is about 1757.9166288464.

The spelling of 5432438557 in words is "five billion, four hundred thirty-two million, four hundred thirty-eight thousand, five hundred fifty-seven".

Divisors: 1 7 13 49 91 637 1543 5527 10801 20059 38689 71851 75607 140413 270823 502957 982891 3520699 8528161 59697127 110866093 417879889 776062651 5432438557