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42945154 = 273067511
BaseRepresentation
bin1010001111010…
…0101010000010
32222210211200021
42203310222002
541443221104
64132244054
71031012350
oct243645202
988724607
1042945154
112227236a
121247062a
138b88245
1459bc7d0
153b84754
hex28f4a82

42945154 has 8 divisors (see below), whose sum is σ = 73620288. Its totient is φ = 18405060.

The previous prime is 42945139. The next prime is 42945167. The reversal of 42945154 is 45154924.

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

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 3 ways as a sum of consecutive naturals, for example, 1533742 + ... + 1533769.

It is an arithmetic number, because the mean of its divisors is an integer number (9202536).

Almost surely, 242945154 is an apocalyptic number.

42945154 is a deficient number, since it is larger than the sum of its proper divisors (30675134).

42945154 is a wasteful number, since it uses less digits than its factorization.

42945154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067520.

The product of its digits is 28800, while the sum is 34.

The square root of 42945154 is about 6553.2552216437. The cubic root of 42945154 is about 350.1907912155.

The spelling of 42945154 in words is "forty-two million, nine hundred forty-five thousand, one hundred fifty-four".

Divisors: 1 2 7 14 3067511 6135022 21472577 42945154