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242177472 = 2633269521
BaseRepresentation
bin11100110111101…
…01010111000000
3121212200220001000
432123311113000
5443444134342
640010412000
76000321525
oct1633652700
9555626030
10242177472
11114780579
1269131000
133b233ca4
142424114c
15163db44c
hexe6f55c0

242177472 has 112 divisors (see below), whose sum is σ = 715975200. Its totient is φ = 80271360.

The previous prime is 242177459. The next prime is 242177479. The reversal of 242177472 is 274771242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242177479) 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, 464572 + ... + 465092.

Almost surely, 2242177472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242177472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357987600).

242177472 is an abundant number, since it is smaller than the sum of its proper divisors (473797728).

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

242177472 is a wasteful number, since it uses less digits than its factorization.

242177472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 795 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 242177472 is about 15562.0523068135. The cubic root of 242177472 is about 623.3202657394.

The spelling of 242177472 in words is "two hundred forty-two million, one hundred seventy-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 269 288 432 521 538 576 807 864 1042 1076 1563 1614 1728 2084 2152 2421 3126 3228 4168 4304 4689 4842 6252 6456 7263 8336 8608 9378 9684 12504 12912 14067 14526 16672 17216 18756 19368 25008 25824 28134 29052 33344 37512 38736 50016 51648 56268 58104 75024 77472 100032 112536 116208 140149 150048 154944 225072 232416 280298 300096 420447 450144 464832 560596 840894 900288 1121192 1261341 1681788 2242384 2522682 3363576 3784023 4484768 5045364 6727152 7568046 8969536 10090728 13454304 15136092 20181456 26908608 30272184 40362912 60544368 80725824 121088736 242177472