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70286304 = 25311101659
BaseRepresentation
bin1000011000001…
…11101111100000
311220020220200110
410030013233200
5120443130204
610550251320
71512265224
oct414075740
9156226613
1070286304
1136747160
121b656b40
131173bc3a
149498784
156285889
hex4307be0

70286304 has 96 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 21056000.

The previous prime is 70286303. The next prime is 70286317. The reversal of 70286304 is 40368207.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70286303) 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, 106327 + ... + 106985.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 270286304 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 70286304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101787840).

70286304 is an abundant number, since it is smaller than the sum of its proper divisors (133289376).

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

70286304 is a wasteful number, since it uses less digits than its factorization.

70286304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 70286304 is about 8383.6927424614. The cubic root of 70286304 is about 412.6896420938.

The spelling of 70286304 in words is "seventy million, two hundred eighty-six thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 101 132 176 202 264 303 352 404 528 606 659 808 1056 1111 1212 1318 1616 1977 2222 2424 2636 3232 3333 3954 4444 4848 5272 6666 7249 7908 8888 9696 10544 13332 14498 15816 17776 21088 21747 26664 28996 31632 35552 43494 53328 57992 63264 66559 86988 106656 115984 133118 173976 199677 231968 266236 347952 399354 532472 695904 732149 798708 1064944 1464298 1597416 2129888 2196447 2928596 3194832 4392894 5857192 6389664 8785788 11714384 17571576 23428768 35143152 70286304