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42653554 = 2109719441
BaseRepresentation
bin1010001010110…
…1011101110010
32222021000200021
42202231131302
541404403204
64122114054
71025356246
oct242553562
988230607
1042653554
1122093279
121234b92a
138ab55b8
145944426
153b28154
hex28ad772

42653554 has 8 divisors (see below), whose sum is σ = 64041948. Its totient is φ = 21306240.

The previous prime is 42653543. The next prime is 42653557. The reversal of 42653554 is 45535624.

It can be written as a sum of positive squares in 2 ways, for example, as 39980329 + 2673225 = 6323^2 + 1635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42653557) 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, 7527 + ... + 11914.

Almost surely, 242653554 is an apocalyptic number.

42653554 is a deficient number, since it is larger than the sum of its proper divisors (21388394).

42653554 is a wasteful number, since it uses less digits than its factorization.

42653554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540.

The product of its digits is 72000, while the sum is 34.

The square root of 42653554 is about 6530.9688408382. The cubic root of 42653554 is about 349.3963854473.

The spelling of 42653554 in words is "forty-two million, six hundred fifty-three thousand, five hundred fifty-four".

Divisors: 1 2 1097 2194 19441 38882 21326777 42653554