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2385497042 = 24572609953
BaseRepresentation
bin1000111000101111…
…1100101111010010
320011020201210202022
42032023330233102
514341141401132
61032413251442
7113054250605
oct21613745722
96136653668
102385497042
111014607265
12566a93b82
132c02ab616
14188b6633c
15de65de12
hex8e2fcbd2

2385497042 has 8 divisors (see below), whose sum is σ = 3586076796. Its totient is φ = 1190138112.

The previous prime is 2385497033. The next prime is 2385497047. The reversal of 2385497042 is 2407945832.

It can be written as a sum of positive squares in 2 ways, for example, as 2002473001 + 383024041 = 44749^2 + 19571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23854970422 = 11381192274781499528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2385496984 and 2385497002.

It is not an unprimeable number, because it can be changed into a prime (2385497047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304063 + ... + 1305890.

Almost surely, 22385497042 is an apocalyptic number.

2385497042 is a deficient number, since it is larger than the sum of its proper divisors (1200579754).

2385497042 is a wasteful number, since it uses less digits than its factorization.

2385497042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610412.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 2385497042 is about 48841.5503644182. The cubic root of 2385497042 is about 1336.1635723235.

The spelling of 2385497042 in words is "two billion, three hundred eighty-five million, four hundred ninety-seven thousand, forty-two".

Divisors: 1 2 457 914 2609953 5219906 1192748521 2385497042