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42874485 = 357997373
BaseRepresentation
bin1010001110001…
…1011001110101
32222200020201220
42203203121311
541433440420
64130540553
71030266333
oct243433165
988606656
1042874485
1122224265
1212437759
138b62024
1459a0b53
153b6d840
hex28e3675

42874485 has 32 divisors (see below), whose sum is σ = 70371840. Its totient is φ = 22284288.

The previous prime is 42874463. The next prime is 42874529. The reversal of 42874485 is 58447824.

It is not a de Polignac number, because 42874485 - 26 = 42874421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114759 + ... + 115131.

It is an arithmetic number, because the mean of its divisors is an integer number (2199120).

Almost surely, 242874485 is an apocalyptic number.

It is an amenable number.

42874485 is a deficient number, since it is larger than the sum of its proper divisors (27497355).

42874485 is a wasteful number, since it uses less digits than its factorization.

42874485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its digits is 286720, while the sum is 42.

The square root of 42874485 is about 6547.8611011536. The cubic root of 42874485 is about 349.9985986338.

The spelling of 42874485 in words is "forty-two million, eight hundred seventy-four thousand, four hundred eighty-five".

Divisors: 1 3 5 15 79 97 237 291 373 395 485 1119 1185 1455 1865 5595 7663 22989 29467 36181 38315 88401 108543 114945 147335 180905 442005 542715 2858299 8574897 14291495 42874485