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42039354 = 2372236217
BaseRepresentation
bin1010000001011…
…1100000111010
32221002211011010
42200113200322
541230224404
64101014350
71020220500
oct240274072
987084133
1042039354
1121803875
12120b43b6
13892bb76
145824670
153a56189
hex281783a

42039354 has 48 divisors (see below), whose sum is σ = 102074688. Its totient is φ = 11487168.

The previous prime is 42039353. The next prime is 42039373. The reversal of 42039354 is 45393024.

It is not an unprimeable number, because it can be changed into a prime (42039353) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3654 + ... + 9870.

It is an arithmetic number, because the mean of its divisors is an integer number (2126556).

Almost surely, 242039354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42039354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51037344).

42039354 is an abundant number, since it is smaller than the sum of its proper divisors (60035334).

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

42039354 is a wasteful number, since it uses less digits than its factorization.

42039354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 42039354 is about 6483.7762145219. The cubic root of 42039354 is about 347.7111984958.

The spelling of 42039354 in words is "forty-two million, thirty-nine thousand, three hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 49 69 98 138 147 161 294 322 483 966 1127 2254 3381 6217 6762 12434 18651 37302 43519 87038 130557 142991 261114 285982 304633 428973 609266 857946 913899 1000937 1827798 2001874 3002811 6005622 7006559 14013118 21019677 42039354