Search a number
-
+
247950870552 = 233372115936097
BaseRepresentation
bin1110011011101100000…
…1100000100000011000
3212201000010022021222000
43212323001200200120
513030300410324202
6305523531401000
723625311424300
oct3467301404030
9781003267860
10247950870552
1196178890a40
124007a2b3160
131a4c66a2768
14c002608600
1566b2e9e91c
hex39bb060818

247950870552 has 384 divisors, whose sum is σ = 888877152000. Its totient is φ = 63309496320.

The previous prime is 247950870511. The next prime is 247950870571. The reversal of 247950870552 is 255078059742.

247950870552 is a `hidden beast` number, since 2 + 4 + 7 + 9 + 5 + 0 + 87 + 0 + 552 = 666.

It is a super-3 number, since 3×2479508705523 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6850968 + ... + 6887064.

It is an arithmetic number, because the mean of its divisors is an integer number (2314784250).

Almost surely, 2247950870552 is an apocalyptic number.

247950870552 is a gapful number since it is divisible by the number (22) 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 247950870552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444438576000).

247950870552 is an abundant number, since it is smaller than the sum of its proper divisors (640926281448).

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

247950870552 is a wasteful number, since it uses less digits than its factorization.

247950870552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36196 (or 36179 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 247950870552 in words is "two hundred forty-seven billion, nine hundred fifty million, eight hundred seventy thousand, five hundred fifty-two".