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42745416 = 2337254437
BaseRepresentation
bin1010001100001…
…1111001001000
32222102200200120
42203003321020
541420323131
64124103240
71026221130
oct243037110
988380616
1042745416
112214629a
1212394b20
138b1835c
145969ac0
153b45496
hex28c3e48

42745416 has 32 divisors (see below), whose sum is σ = 122130240. Its totient is φ = 12212928.

The previous prime is 42745357. The next prime is 42745433. The reversal of 42745416 is 61454724.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 127051 + ... + 127386.

It is an arithmetic number, because the mean of its divisors is an integer number (3816570).

Almost surely, 242745416 is an apocalyptic number.

It is an amenable number.

42745416 is an abundant number, since it is smaller than the sum of its proper divisors (79384824).

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

42745416 is a wasteful number, since it uses less digits than its factorization.

42745416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254453 (or 254449 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 42745416 is about 6537.9978586720. The cubic root of 42745416 is about 349.6470346400.

The spelling of 42745416 in words is "forty-two million, seven hundred forty-five thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 254437 508874 763311 1017748 1526622 1781059 2035496 3053244 3562118 5343177 6106488 7124236 10686354 14248472 21372708 42745416