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242584875 = 3453131997
BaseRepresentation
bin11100111010110…
…00110100101011
3121220110120220000
432131120310223
5444100204000
640023234043
76003636351
oct1635306453
9556416800
10242584875
11114a29675
12692a8923
133b347560
14243097d1
151646c000
hexe758d2b

242584875 has 160 divisors (see below), whose sum is σ = 517957440. Its totient is φ = 111974400.

The previous prime is 242584873. The next prime is 242584997. The reversal of 242584875 is 578485242.

It is not a de Polignac number, because 242584875 - 21 = 242584873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 242584875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242584871) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2500827 + ... + 2500923.

It is an arithmetic number, because the mean of its divisors is an integer number (3237234).

Almost surely, 2242584875 is an apocalyptic number.

242584875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242584875 is an abundant number, since it is smaller than the sum of its proper divisors (275372565).

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

242584875 is a wasteful number, since it uses less digits than its factorization.

242584875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 137 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 242584875 is about 15575.1364359995. The cubic root of 242584875 is about 623.6695967195.

The spelling of 242584875 in words is "two hundred forty-two million, five hundred eighty-four thousand, eight hundred seventy-five".

Divisors: 1 3 5 9 13 15 19 25 27 39 45 57 65 75 81 95 97 117 125 135 171 195 225 247 285 291 325 351 375 405 475 485 513 585 675 741 855 873 975 1053 1125 1235 1261 1425 1455 1539 1625 1755 1843 2025 2223 2375 2425 2565 2619 2925 3375 3705 3783 4275 4365 4875 5265 5529 6175 6305 6669 7125 7275 7695 7857 8775 9215 10125 11115 11349 12125 12825 13095 14625 16587 18525 18915 20007 21375 21825 23959 26325 27645 30875 31525 33345 34047 36375 38475 39285 43875 46075 49761 55575 56745 64125 65475 71877 82935 92625 94575 100035 102141 109125 119795 131625 138225 149283 157625 166725 170235 192375 196425 215631 230375 248805 277875 283725 327375 359385 414675 472875 500175 510705 598975 646893 691125 746415 833625 851175 982125 1078155 1244025 1418625 1796925 1940679 2073375 2500875 2553525 2994875 3234465 3732075 4255875 5390775 6220125 8984625 9703395 12767625 16172325 18660375 26953875 48516975 80861625 242584875