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248629824 = 2636732
BaseRepresentation
bin11101101000111…
…00101001000000
3122022211201000000
432310130221000
51002122123244
640401000000
76106214202
oct1664345100
9568751000
10248629824
111183882a3
126b323000
133c682b51
1425040772
1516c63169
hexed1ca40

248629824 has 147 divisors (see below), whose sum is σ = 749995833. Its totient is φ = 81741312.

The previous prime is 248629813. The next prime is 248629841. The reversal of 248629824 is 428926842.

The square root of 248629824 is 15768.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 141134400 + 107495424 = 11880^2 + 10368^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 248629824.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 3405852 + ... + 3405924.

Almost surely, 2248629824 is an apocalyptic number.

248629824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

248629824 is the 15768-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248629824

248629824 is an abundant number, since it is smaller than the sum of its proper divisors (501366009).

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

248629824 is an frugal number, since it uses more digits than its factorization.

248629824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 78 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The cubic root of 248629824 is about 628.8075402627.

The spelling of 248629824 in words is "two hundred forty-eight million, six hundred twenty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 73 81 96 108 144 146 162 192 216 219 243 288 292 324 432 438 486 576 584 648 657 729 864 876 972 1168 1296 1314 1458 1728 1752 1944 1971 2336 2592 2628 2916 3504 3888 3942 4672 5184 5256 5329 5832 5913 7008 7776 7884 10512 10658 11664 11826 14016 15552 15768 15987 17739 21024 21316 23328 23652 31536 31974 35478 42048 42632 46656 47304 47961 53217 63072 63948 70956 85264 94608 95922 106434 126144 127896 141912 143883 170528 189216 191844 212868 255792 283824 287766 341056 378432 383688 425736 431649 511584 567648 575532 767376 851472 863298 1023168 1135296 1151064 1294947 1534752 1702944 1726596 2302128 2589894 3069504 3405888 3453192 3884841 4604256 5179788 6906384 7769682 9208512 10359576 13812768 15539364 20719152 27625536 31078728 41438304 62157456 82876608 124314912 248629824