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1489213464 = 2331719316197
BaseRepresentation
bin101100011000011…
…1001100000011000
310211210012212211020
41120300321200120
511022214312324
6403435002440
751622051134
oct13060714030
93753185736
101489213464
116a4693132
12356899420
131a96b66cb
14101ad63c4
158ab18679
hex58c39818

1489213464 has 128 divisors (see below), whose sum is σ = 4284057600. Its totient is φ = 428267520.

The previous prime is 1489213463. The next prime is 1489213507. The reversal of 1489213464 is 4643129841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489213463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237214 + ... + 243410.

It is an arithmetic number, because the mean of its divisors is an integer number (33469200).

Almost surely, 21489213464 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 1489213464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142028800).

1489213464 is an abundant number, since it is smaller than the sum of its proper divisors (2794844136).

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

1489213464 is a wasteful number, since it uses less digits than its factorization.

1489213464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273 (or 6269 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1489213464 is about 38590.3286329619. The cubic root of 1489213464 is about 1141.9637498295.

The spelling of 1489213464 in words is "one billion, four hundred eighty-nine million, two hundred thirteen thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 17 19 24 31 34 38 51 57 62 68 76 93 102 114 124 136 152 186 204 228 248 323 372 408 456 527 589 646 744 969 1054 1178 1292 1581 1767 1938 2108 2356 2584 3162 3534 3876 4216 4712 6197 6324 7068 7752 10013 12394 12648 14136 18591 20026 24788 30039 37182 40052 49576 60078 74364 80104 105349 117743 120156 148728 192107 210698 235486 240312 316047 353229 384214 421396 470972 576321 632094 706458 768428 842792 941944 1152642 1264188 1412916 1536856 2001631 2305284 2528376 2825832 3265819 3650033 4003262 4610568 6004893 6531638 7300066 8006524 9797457 10950099 12009786 13063276 14600132 16013048 19594914 21900198 24019572 26126552 29200264 39189828 43800396 48039144 62050561 78379656 87600792 124101122 186151683 248202244 372303366 496404488 744606732 1489213464