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5457577140 = 2232530319873
BaseRepresentation
bin1010001010100110…
…00000010010110100
3112002100101122101200
411011103000102310
542134114432030
62301314452500
7252146432421
oct50523002264
915070348350
105457577140
112350729534
121083894130
1368c8ac3b2
1439ab72d48
1521e1ded60
hex1454c04b4

5457577140 has 36 divisors (see below), whose sum is σ = 16554651204. Its totient is φ = 1455353856.

The previous prime is 5457577127. The next prime is 5457577141. The reversal of 5457577140 is 417757545.

5457577140 is a `hidden beast` number, since 5 + 4 + 575 + 7 + 71 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4209933456 + 1247643684 = 64884^2 + 35322^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457577141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15159757 + ... + 15160116.

Almost surely, 25457577140 is an apocalyptic number.

It is an amenable number.

5457577140 is an abundant number, since it is smaller than the sum of its proper divisors (11097074064).

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

5457577140 is a wasteful number, since it uses less digits than its factorization.

5457577140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30319888 (or 30319883 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The square root of 5457577140 is about 73875.4163440045. The cubic root of 5457577140 is about 1760.6240405028.

The spelling of 5457577140 in words is "five billion, four hundred fifty-seven million, five hundred seventy-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 30319873 60639746 90959619 121279492 151599365 181919238 272878857 303198730 363838476 454798095 545757714 606397460 909596190 1091515428 1364394285 1819192380 2728788570 5457577140