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42602841 = 34525961
BaseRepresentation
bin1010001010000…
…1000101011001
32222011110010000
42202201011121
541401242331
64121043213
71025055351
oct242410531
988143100
1042602841
1122059166
1212326509
138a984a8
14592db61
153b180e6
hex28a1159

42602841 has 10 divisors (see below), whose sum is σ = 63641402. Its totient is φ = 28401840.

The previous prime is 42602837. The next prime is 42602843. The reversal of 42602841 is 14820624.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 6350400 = 6021^2 + 2520^2 .

It is not a de Polignac number, because 42602841 - 22 = 42602837 is a prime.

It is a super-2 number, since 2×426028412 = 3630004122542562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42602843) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 262900 + ... + 263061.

Almost surely, 242602841 is an apocalyptic number.

It is an amenable number.

42602841 is a deficient number, since it is larger than the sum of its proper divisors (21038561).

42602841 is an equidigital number, since it uses as much as digits as its factorization.

42602841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525973 (or 525964 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 42602841 is about 6527.0851840619. The cubic root of 42602841 is about 349.2578587659.

The spelling of 42602841 in words is "forty-two million, six hundred two thousand, eight hundred forty-one".

Divisors: 1 3 9 27 81 525961 1577883 4733649 14200947 42602841