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488096240 = 24531972029
BaseRepresentation
bin11101000101111…
…100000111110000
31021000102212011112
4131011330013300
51444423034430
6120233332452
715044515052
oct3505740760
91230385145
10488096240
11230576a25
12117567128
137a177b58
1448b778d2
152ccb6195
hex1d17c1f0

488096240 has 80 divisors (see below), whose sum is σ = 1184090880. Its totient is φ = 186900480.

The previous prime is 488096233. The next prime is 488096243. The reversal of 488096240 is 42690884.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488096243) 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, 239546 + ... + 241574.

It is an arithmetic number, because the mean of its divisors is an integer number (14801136).

It is the magic constant of a 992 × 992 magic square.

Almost surely, 2488096240 is an apocalyptic number.

488096240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488096240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592045440).

488096240 is an abundant number, since it is smaller than the sum of its proper divisors (695994640).

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

488096240 is a wasteful number, since it uses less digits than its factorization.

488096240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 488096240 is about 22092.9002170381. The cubic root of 488096240 is about 787.3511884766.

The spelling of 488096240 in words is "four hundred eighty-eight million, ninety-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 97 124 155 194 248 310 388 485 496 620 776 970 1240 1552 1940 2029 2480 3007 3880 4058 6014 7760 8116 10145 12028 15035 16232 20290 24056 30070 32464 40580 48112 60140 62899 81160 120280 125798 162320 196813 240560 251596 314495 393626 503192 628990 787252 984065 1006384 1257980 1574504 1968130 2515960 3149008 3936260 5031920 6101203 7872520 12202406 15745040 24404812 30506015 48809624 61012030 97619248 122024060 244048120 488096240