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5487401929 = 740772
BaseRepresentation
bin1010001110001001…
…10001101111001001
3112011102111220022111
411013010301233021
542214233330204
62304302022321
7252661101232
oct50704615711
915142456274
105487401929
11236654a319
1210918779a1
13695b226b9
143a0ad8089
15221b31d04
hex147131bc9

5487401929 has 3 divisors (see below), whose sum is σ = 5487476007. Its totient is φ = 5487327852.

The previous prime is 5487401891. The next prime is 5487401947. The reversal of 5487401929 is 9291047845.

The square root of 5487401929 is 74077.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9291047845 = 51858209569.

It can be written as a sum of positive squares in only one way, i.e., 1255639225 + 4231762704 = 35435^2 + 65052^2 .

It is not a de Polignac number, because 5487401929 - 217 = 5487270857 is a prime.

It is a super-2 number, since 2×54874019292 = 60223159860785842082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5487401329) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37039 + ... + 111115.

It is an arithmetic number, because the mean of its divisors is an integer number (1829158669).

Almost surely, 25487401929 is an apocalyptic number.

5487401929 is the 74077-th square number.

5487401929 is the 37039-th centered octagonal number.

It is an amenable number.

5487401929 is a deficient number, since it is larger than the sum of its proper divisors (74078).

5487401929 is an frugal number, since it uses more digits than its factorization.

5487401929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148154 (or 74077 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The cubic root of 5487401929 is about 1763.8253925045.

Multiplying 5487401929 by its sum of digits (49), we get a square (268882694521 = 5185392).

The spelling of 5487401929 in words is "five billion, four hundred eighty-seven million, four hundred one thousand, nine hundred twenty-nine".

Divisors: 1 74077 5487401929