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105450930 = 23351322311
BaseRepresentation
bin1100100100100…
…00110110110010
321100102110111000
412102100312302
5203443412210
614244102430
72420214054
oct622206662
9240373430
10105450930
1154584932
122b394a16
1318b01900
141000d8d4
1593ceac0
hex6490db2

105450930 has 96 divisors (see below), whose sum is σ = 304629120. Its totient is φ = 25945920.

The previous prime is 105450923. The next prime is 105450937. The reversal of 105450930 is 39054501.

It is an interprime number because it is at equal distance from previous prime (105450923) and next prime (105450937).

It is a super-2 number, since 2×1054509302 = 22239797275729800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 105450894 and 105450903.

It is not an unprimeable number, because it can be changed into a prime (105450937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44475 + ... + 46785.

It is an arithmetic number, because the mean of its divisors is an integer number (3173220).

Almost surely, 2105450930 is an apocalyptic number.

105450930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105450930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152314560).

105450930 is an abundant number, since it is smaller than the sum of its proper divisors (199178190).

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

105450930 is a wasteful number, since it uses less digits than its factorization.

105450930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 105450930 is about 10268.9303240406. The cubic root of 105450930 is about 472.4437826792.

It can be divided in two parts, 1054 and 50930, that added together give a square (51984 = 2282).

The spelling of 105450930 in words is "one hundred five million, four hundred fifty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 169 195 234 270 338 351 390 507 585 702 845 1014 1170 1521 1690 1755 2311 2535 3042 3510 4563 4622 5070 6933 7605 9126 11555 13866 15210 20799 22815 23110 30043 34665 41598 45630 60086 62397 69330 90129 103995 124794 150215 180258 207990 270387 300430 311985 390559 450645 540774 623970 781118 811161 901290 1171677 1351935 1622322 1952795 2343354 2703870 3515031 3905590 4055805 5858385 7030062 8111610 10545093 11716770 17575155 21090186 35150310 52725465 105450930