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106203653 = 374170009
BaseRepresentation
bin1100101010010…
…00101000000101
321101211201000122
412111020220011
5204142004103
614312151325
72426500433
oct625105005
9241751018
10106203653
1154a49416
122b698545
13190063ca
1410167d53
1594ccb38
hex6548a05

106203653 has 8 divisors (see below), whose sum is σ = 111735960. Its totient is φ = 100811520.

The previous prime is 106203619. The next prime is 106203659. The reversal of 106203653 is 356302601.

It can be written as a sum of positive squares in 4 ways, for example, as 2122849 + 104080804 = 1457^2 + 10202^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106203653 - 26 = 106203589 is a prime.

It is a super-2 number, since 2×1062036532 = 22558431821088818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106203659) 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, 33488 + ... + 36521.

It is an arithmetic number, because the mean of its divisors is an integer number (13966995).

Almost surely, 2106203653 is an apocalyptic number.

It is an amenable number.

106203653 is a deficient number, since it is larger than the sum of its proper divisors (5532307).

106203653 is an equidigital number, since it uses as much as digits as its factorization.

106203653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70087.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 106203653 is about 10305.5156591022. The cubic root of 106203653 is about 473.5652410618.

The spelling of 106203653 in words is "one hundred six million, two hundred three thousand, six hundred fifty-three".

Divisors: 1 37 41 1517 70009 2590333 2870369 106203653