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228002450 = 2521323101151
BaseRepresentation
bin11011001011100…
…00101010010010
3120220000201120012
431211300222102
5431332034300
634342514522
75435663114
oct1545605222
9526021505
10228002450
11107779685
1264435a42
133830ccc0
14223d13b4
151503b435
hexd970a92

228002450 has 96 divisors (see below), whose sum is σ = 484468992. Its totient is φ = 79200000.

The previous prime is 228002443. The next prime is 228002461. The reversal of 228002450 is 54200822.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1509875 + ... + 1510025.

It is an arithmetic number, because the mean of its divisors is an integer number (5046552).

Almost surely, 2228002450 is an apocalyptic number.

228002450 is an abundant number, since it is smaller than the sum of its proper divisors (256466542).

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

228002450 is a wasteful number, since it uses less digits than its factorization.

228002450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 228002450 is about 15099.7499979304. The cubic root of 228002450 is about 610.9136626274.

The spelling of 228002450 in words is "two hundred twenty-eight million, two thousand, four hundred fifty".

Divisors: 1 2 5 10 13 23 25 26 46 50 65 101 115 130 151 202 230 299 302 325 505 575 598 650 755 1010 1150 1313 1495 1510 1963 2323 2525 2626 2990 3473 3775 3926 4646 5050 6565 6946 7475 7550 9815 11615 13130 14950 15251 17365 19630 23230 30199 30502 32825 34730 45149 49075 58075 60398 65650 76255 86825 90298 98150 116150 150995 152510 173650 198263 225745 301990 350773 381275 396526 451490 701546 754975 762550 991315 1128725 1509950 1753865 1982630 2257450 3507730 4560049 4956575 8769325 9120098 9913150 17538650 22800245 45600490 114001225 228002450