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428752076536 = 23723332882047
BaseRepresentation
bin1100011110100111001…
…11010111111011111000
31111222200110200012012101
412033103213113323320
524011041012422121
6524544352553144
742655606343020
oct6172347277370
91458613605171
10428752076536
11155918408023
126b1182527b4
133157b2cca94
1416a749a4a80
15b245bbc491
hex63d39d7ef8

428752076536 has 32 divisors (see below), whose sum is σ = 958700298240. Its totient is φ = 175761720288.

The previous prime is 428752076531. The next prime is 428752076539. The reversal of 428752076536 is 635670257824.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428752076531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166439736 + ... + 166442311.

It is an arithmetic number, because the mean of its divisors is an integer number (29959384320).

Almost surely, 2428752076536 is an apocalyptic number.

428752076536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

428752076536 is an abundant number, since it is smaller than the sum of its proper divisors (529948221704).

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

428752076536 is a wasteful number, since it uses less digits than its factorization.

428752076536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332882083 (or 332882079 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 428752076536 in words is "four hundred twenty-eight billion, seven hundred fifty-two million, seventy-six thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 332882047 665764094 1331528188 2330174329 2663056376 4660348658 7656287081 9320697316 15312574162 18641394632 30625148324 53594009567 61250296648 107188019134 214376038268 428752076536