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105514512 = 24317191677
BaseRepresentation
bin1100100101000…
…00011000010000
321100112200200220
412102200120100
5204002431022
614245313040
72420600325
oct622403020
9240480626
10105514512
1154618684
122b405780
1318b2482c
1410028b4c
1593e385c
hex64a0610

105514512 has 80 divisors (see below), whose sum is σ = 290552832. Its totient is φ = 32880640.

The previous prime is 105514511. The next prime is 105514531. The reversal of 105514512 is 215415501.

It is a super-2 number, since 2×1055145122 = 22266624485196288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105514511) 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, 155518 + ... + 156194.

Almost surely, 2105514512 is an apocalyptic number.

105514512 is a gapful number since it is divisible by the number (12) 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 105514512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145276416).

105514512 is an abundant number, since it is smaller than the sum of its proper divisors (185038320).

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

105514512 is a wasteful number, since it uses less digits than its factorization.

105514512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 105514512 is about 10272.0257009024. The cubic root of 105514512 is about 472.5387174679.

The spelling of 105514512 in words is "one hundred five million, five hundred fourteen thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 191 204 272 382 408 573 677 764 816 1146 1354 1528 2031 2292 2708 3056 3247 4062 4584 5416 6494 8124 9168 9741 10832 11509 12988 16248 19482 23018 25976 32496 34527 38964 46036 51952 69054 77928 92072 129307 138108 155856 184144 258614 276216 387921 517228 552432 775842 1034456 1551684 2068912 2198219 3103368 4396438 6206736 6594657 8792876 13189314 17585752 26378628 35171504 52757256 105514512