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70650624 = 283118363
BaseRepresentation
bin1000011011000…
…00101100000000
311220221102102210
410031200230000
5121041304444
611002142120
71515343332
oct415405400
9156842383
1070650624
1136975950
121b7b1940
1311838a05
149551452
1563087b9
hex4360b00

70650624 has 72 divisors (see below), whose sum is σ = 205152192. Its totient is φ = 21406720.

The previous prime is 70650577. The next prime is 70650647. The reversal of 70650624 is 42605607.

It is a junction number, because it is equal to n+sod(n) for n = 70650591 and 70650600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267 + ... + 12629.

It is an arithmetic number, because the mean of its divisors is an integer number (2849336).

Almost surely, 270650624 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 70650624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102576096).

70650624 is an abundant number, since it is smaller than the sum of its proper divisors (134501568).

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

70650624 is a wasteful number, since it uses less digits than its factorization.

70650624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 70650624 is about 8405.3925547829. The cubic root of 70650624 is about 413.4014548377.

The spelling of 70650624 in words is "seventy million, six hundred fifty thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 528 704 768 1056 1408 2112 2816 4224 8363 8448 16726 25089 33452 50178 66904 91993 100356 133808 183986 200712 267616 275979 367972 401424 535232 551958 735944 802848 1070464 1103916 1471888 1605696 2140928 2207832 2943776 3211392 4415664 5887552 6422784 8831328 11775104 17662656 23550208 35325312 70650624