Search a number
-
+
42233880 = 23351327073
BaseRepresentation
bin1010000100011…
…1000000011000
32221110200222210
42201013000120
541302441010
64105115120
71021660563
oct241070030
987420883
1042233880
1121926a37
1212188aa0
138999580
1458754da
153a93b20
hex2847018

42233880 has 64 divisors (see below), whose sum is σ = 136452960. Its totient is φ = 10395648.

The previous prime is 42233879. The next prime is 42233887. The reversal of 42233880 is 8833224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42233887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11977 + ... + 15096.

Almost surely, 242233880 is an apocalyptic number.

42233880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42233880 is an abundant number, since it is smaller than the sum of its proper divisors (94219080).

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

42233880 is a wasteful number, since it uses less digits than its factorization.

42233880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100 (or 27096 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42233880 is about 6498.7598817005. The cubic root of 42233880 is about 348.2466872902.

The spelling of 42233880 in words is "forty-two million, two hundred thirty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 27073 54146 81219 108292 135365 162438 216584 270730 324876 351949 406095 541460 649752 703898 812190 1055847 1082920 1407796 1624380 1759745 2111694 2815592 3248760 3519490 4223388 5279235 7038980 8446776 10558470 14077960 21116940 42233880