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485473140 = 223252697073
BaseRepresentation
bin11100111011111…
…011101101110100
31020211111120221200
4130323323231310
51443240120030
6120101212500
715013311405
oct3473735564
91224446850
10485473140
1122a045179
12116701130
1379769c19
14486939ac
152c948d60
hex1cefbb74

485473140 has 36 divisors (see below), whose sum is σ = 1472602404. Its totient is φ = 129459456.

The previous prime is 485473133. The next prime is 485473151. The reversal of 485473140 is 41374584.

485473140 is a `hidden beast` number, since 48 + 5 + 473 + 140 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 237221604 + 248251536 = 15402^2 + 15756^2 .

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

It is a super-2 number, since 2×4854731402 = 471368339322919200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 485473095 and 485473104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348357 + ... + 1348716.

Almost surely, 2485473140 is an apocalyptic number.

It is an amenable number.

485473140 is an abundant number, since it is smaller than the sum of its proper divisors (987129264).

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

485473140 is a wasteful number, since it uses less digits than its factorization.

485473140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697088 (or 2697083 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 485473140 is about 22033.4550173140. The cubic root of 485473140 is about 785.9382077561.

The spelling of 485473140 in words is "four hundred eighty-five million, four hundred seventy-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2697073 5394146 8091219 10788292 13485365 16182438 24273657 26970730 32364876 40456095 48547314 53941460 80912190 97094628 121368285 161824380 242736570 485473140