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42305148 = 22321175143
BaseRepresentation
bin1010000101100…
…0011001111100
32221121022202100
42201120121330
541312231043
64110425100
71022405424
oct241303174
987538670
1042305148
1121975536
1212202190
1389c2b42
145893484
153aa9cd3
hex285867c

42305148 has 18 divisors (see below), whose sum is σ = 106938104. Its totient is φ = 14101704.

The previous prime is 42305143. The next prime is 42305167. The reversal of 42305148 is 84150324.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42305141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587536 + ... + 587607.

Almost surely, 242305148 is an apocalyptic number.

It is an amenable number.

42305148 is an abundant number, since it is smaller than the sum of its proper divisors (64632956).

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

42305148 is a wasteful number, since it uses less digits than its factorization.

42305148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175153 (or 1175148 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42305148 is about 6504.2407704512. The cubic root of 42305148 is about 348.4424613757.

The spelling of 42305148 in words is "forty-two million, three hundred five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1175143 2350286 3525429 4700572 7050858 10576287 14101716 21152574 42305148