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42616128 = 2631731283
BaseRepresentation
bin1010001010010…
…0010101000000
32222012010100010
42202210111000
541402204003
64121224520
71025142162
oct242442500
988163303
1042616128
1122068145
1212332140
138aa1559
145934932
153b1c003
hex28a4540

42616128 has 56 divisors (see below), whose sum is σ = 113495328. Its totient is φ = 14112256.

The previous prime is 42616099. The next prime is 42616129. The reversal of 42616128 is 82161624.

It is a super-2 number, since 2×426161282 = 3632268731424768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42616095 and 42616104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42616129) 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, 32575 + ... + 33857.

Almost surely, 242616128 is an apocalyptic number.

42616128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42616128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56747664).

42616128 is an abundant number, since it is smaller than the sum of its proper divisors (70879200).

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

42616128 is a wasteful number, since it uses less digits than its factorization.

42616128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1461 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 42616128 is about 6528.1029403648. The cubic root of 42616128 is about 349.2941639098.

The spelling of 42616128 in words is "forty-two million, six hundred sixteen thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 173 192 346 519 692 1038 1283 1384 2076 2566 2768 3849 4152 5132 5536 7698 8304 10264 11072 15396 16608 20528 30792 33216 41056 61584 82112 123168 221959 246336 443918 665877 887836 1331754 1775672 2663508 3551344 5327016 7102688 10654032 14205376 21308064 42616128