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42624898 = 221312449
BaseRepresentation
bin1010001010011…
…0011110000010
32222012120100221
42202212132002
541402444043
64121333254
71025206561
oct242463602
988176327
1042624898
1122073798
121233722a
138aa5544
145937bd8
153b1e8ed
hex28a6782

42624898 has 4 divisors (see below), whose sum is σ = 63937350. Its totient is φ = 21312448.

The previous prime is 42624893. The next prime is 42624941. The reversal of 42624898 is 89842624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37859409 + 4765489 = 6153^2 + 2183^2 .

It is a super-3 number, since 3×426248983 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42624893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10656223 + ... + 10656226.

Almost surely, 242624898 is an apocalyptic number.

42624898 is a deficient number, since it is larger than the sum of its proper divisors (21312452).

42624898 is a wasteful number, since it uses less digits than its factorization.

42624898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312451.

The product of its digits is 221184, while the sum is 43.

The square root of 42624898 is about 6528.7746170319. The cubic root of 42624898 is about 349.3181227555.

The spelling of 42624898 in words is "forty-two million, six hundred twenty-four thousand, eight hundred ninety-eight".

Divisors: 1 2 21312449 42624898