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106212560 = 2453893413
BaseRepresentation
bin1100101010010…
…10110011010000
321101212011020112
412111022303100
5204142300220
614312300452
72426535416
oct625126320
9241764215
10106212560
1154a55083
122b6a1728
131900a48c
141016b2b6
1594d05c5
hex654acd0

106212560 has 40 divisors (see below), whose sum is σ = 247651560. Its totient is φ = 42363392.

The previous prime is 106212559. The next prime is 106212563. The reversal of 106212560 is 65212601.

It can be written as a sum of positive squares in 4 ways, for example, as 20539024 + 85673536 = 4532^2 + 9256^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1062125602 = 22562215803507200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106212563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29414 + ... + 32826.

It is an arithmetic number, because the mean of its divisors is an integer number (6191289).

Almost surely, 2106212560 is an apocalyptic number.

106212560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106212560 is an abundant number, since it is smaller than the sum of its proper divisors (141439000).

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

106212560 is a wasteful number, since it uses less digits than its factorization.

106212560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 106212560 is about 10305.9477972674. The cubic root of 106212560 is about 473.5784795508.

The spelling of 106212560 in words is "one hundred six million, two hundred twelve thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 389 778 1556 1945 3112 3413 3890 6224 6826 7780 13652 15560 17065 27304 31120 34130 54608 68260 136520 273040 1327657 2655314 5310628 6638285 10621256 13276570 21242512 26553140 53106280 106212560