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105152520 = 233511372153
BaseRepresentation
bin1100100010010…
…00000000001000
321022212022010210
412101020000020
5203404340040
614233441120
72414532054
oct621100010
9238768123
10105152520
11543a0710
122b2701a0
1318a28b35
14dd72c64
159371480
hex6448008

105152520 has 128 divisors (see below), whose sum is σ = 353600640. Its totient is φ = 24791040.

The previous prime is 105152513. The next prime is 105152533. The reversal of 105152520 is 25251501.

It is a super-2 number, since 2×1051525202 = 22114104924700800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47764 + ... + 49916.

It is an arithmetic number, because the mean of its divisors is an integer number (2762505).

Almost surely, 2105152520 is an apocalyptic number.

105152520 is a gapful number since it is divisible by the number (10) 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 105152520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176800320).

105152520 is an abundant number, since it is smaller than the sum of its proper divisors (248448120).

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

105152520 is a wasteful number, since it uses less digits than its factorization.

105152520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 105152520 is about 10254.3902792901. The cubic root of 105152520 is about 471.9977137685.

The spelling of 105152520 in words is "one hundred five million, one hundred fifty-two thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 37 40 44 55 60 66 74 88 110 111 120 132 148 165 185 220 222 264 296 330 370 407 440 444 555 660 740 814 888 1110 1221 1320 1480 1628 2035 2153 2220 2442 3256 4070 4306 4440 4884 6105 6459 8140 8612 9768 10765 12210 12918 16280 17224 21530 23683 24420 25836 32295 43060 47366 48840 51672 64590 71049 79661 86120 94732 118415 129180 142098 159322 189464 236830 238983 258360 284196 318644 355245 398305 473660 477966 568392 637288 710490 796610 876271 947320 955932 1194915 1420980 1593220 1752542 1911864 2389830 2628813 2841960 3186440 3505084 4381355 4779660 5257626 7010168 8762710 9559320 10515252 13144065 17525420 21030504 26288130 35050840 52576260 105152520