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855518048 = 257211193257
BaseRepresentation
bin110010111111100…
…010101101100000
32012121210211010122
4302333202231200
53223003034143
6220520415412
730125532500
oct6277425540
92177724118
10855518048
113a9a10410
121ba617568
13108320ac8
148189ba00
1550191c68
hex32fe2b60

855518048 has 144 divisors (see below), whose sum is σ = 2156840784. Its totient is φ = 330301440.

The previous prime is 855517991. The next prime is 855518057. The reversal of 855518048 is 840815558.

It is a super-2 number, since 2×8555180482 = 1463822260907460608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3328736 + ... + 3328992.

It is an arithmetic number, because the mean of its divisors is an integer number (14978061).

Almost surely, 2855518048 is an apocalyptic number.

855518048 is a gapful number since it is divisible by the number (88) 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 855518048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078420392).

855518048 is an abundant number, since it is smaller than the sum of its proper divisors (1301322736).

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

855518048 is a wasteful number, since it uses less digits than its factorization.

855518048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 44.

The square root of 855518048 is about 29249.2401268819. The cubic root of 855518048 is about 949.3136494011.

The spelling of 855518048 in words is "eight hundred fifty-five million, five hundred eighteen thousand, forty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 49 56 77 88 98 112 154 176 193 196 224 257 308 352 386 392 514 539 616 772 784 1028 1078 1232 1351 1544 1568 1799 2056 2123 2156 2464 2702 2827 3088 3598 4112 4246 4312 5404 5654 6176 7196 8224 8492 8624 9457 10808 11308 12593 14392 14861 16984 17248 18914 19789 21616 22616 25186 28784 29722 33968 37828 39578 43232 45232 49601 50372 57568 59444 67936 75656 79156 90464 99202 100744 104027 118888 138523 151312 158312 198404 201488 208054 237776 277046 302624 316624 347207 396808 402976 416108 475552 545611 554092 633248 694414 793616 832216 1091222 1108184 1388828 1587232 1664432 2182444 2216368 2430449 2777656 3328864 3819277 4364888 4432736 4860898 5555312 7638554 8729776 9721796 11110624 15277108 17459552 19443592 26734939 30554216 38887184 53469878 61108432 77774368 106939756 122216864 213879512 427759024 855518048