Search a number
-
+
42275480 = 2351381299
BaseRepresentation
bin1010000101000…
…1001010011000
32221112211001112
42201101022120
541310303410
64110035452
71022223062
oct241211230
987484045
1042275480
1121955215
12121a8b88
1389b24a0
145886732
153aa1105
hex2851298

42275480 has 32 divisors (see below), whose sum is σ = 102438000. Its totient is φ = 15609216.

The previous prime is 42275479. The next prime is 42275489. The reversal of 42275480 is 8457224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42275489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40130 + ... + 41169.

Almost surely, 242275480 is an apocalyptic number.

42275480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42275480 is an abundant number, since it is smaller than the sum of its proper divisors (60162520).

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

42275480 is a wasteful number, since it uses less digits than its factorization.

42275480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81323 (or 81319 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42275480 is about 6501.9597045814. The cubic root of 42275480 is about 348.3609897432.

The spelling of 42275480 in words is "forty-two million, two hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 81299 162598 325196 406495 650392 812990 1056887 1625980 2113774 3251960 4227548 5284435 8455096 10568870 21137740 42275480