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248040465 = 3564325717
BaseRepresentation
bin11101100100011…
…00110000010001
3122021201202112220
432302030300101
51001444243330
640340211253
76101211021
oct1662146021
9567652486
10248040465
11118015522
126b099b29
133c50780a
1424d29a81
1516b98710
hexec8cc11

248040465 has 16 divisors (see below), whose sum is σ = 397497408. Its totient is φ = 132077376.

The previous prime is 248040433. The next prime is 248040473. The reversal of 248040465 is 564040842.

It is not a de Polignac number, because 248040465 - 25 = 248040433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3214 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (24843588).

Almost surely, 2248040465 is an apocalyptic number.

It is an amenable number.

248040465 is a deficient number, since it is larger than the sum of its proper divisors (149456943).

248040465 is a wasteful number, since it uses less digits than its factorization.

248040465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26368.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 248040465 is about 15749.3004606554. The cubic root of 248040465 is about 628.3102995791.

The spelling of 248040465 in words is "two hundred forty-eight million, forty thousand, four hundred sixty-five".

Divisors: 1 3 5 15 643 1929 3215 9645 25717 77151 128585 385755 16536031 49608093 82680155 248040465