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42050949 = 314016983
BaseRepresentation
bin1010000001101…
…0010110000101
32221010102001120
42200122112011
541231112244
64101144153
71020266343
oct240322605
987112046
1042050949
1121811556
12120bb059
138934225
145828993
153a59819
hex281a585

42050949 has 4 divisors (see below), whose sum is σ = 56067936. Its totient is φ = 28033964.

The previous prime is 42050941. The next prime is 42050951. The reversal of 42050949 is 94905024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42050949 - 23 = 42050941 is a prime.

It is a super-3 number, since 3×420509493 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050941) 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, 7008489 + ... + 7008494.

It is an arithmetic number, because the mean of its divisors is an integer number (14016984).

Almost surely, 242050949 is an apocalyptic number.

It is an amenable number.

42050949 is a deficient number, since it is larger than the sum of its proper divisors (14016987).

42050949 is a wasteful number, since it uses less digits than its factorization.

42050949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016986.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 42050949 is about 6484.6703077335. The cubic root of 42050949 is about 347.7431633125.

The spelling of 42050949 in words is "forty-two million, fifty thousand, nine hundred forty-nine".

Divisors: 1 3 14016983 42050949