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106405045 = 5416167127
BaseRepresentation
bin1100101011110…
…01110010110101
321102012221021121
412111321302311
5204214430140
614320343541
72431266535
oct625716265
9242187247
10106405045
115507675a
122b774bb1
1319076c86
14101bb4c5
15951c64a
hex6579cb5

106405045 has 32 divisors (see below), whose sum is σ = 135991296. Its totient is φ = 79833600.

The previous prime is 106405043. The next prime is 106405063. The reversal of 106405045 is 540504601.

It is not a de Polignac number, because 106405045 - 21 = 106405043 is a prime.

It is a super-2 number, since 2×1064050452 = 22644067202904050, 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 (106405043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837772 + ... + 837898.

It is an arithmetic number, because the mean of its divisors is an integer number (4249728).

Almost surely, 2106405045 is an apocalyptic number.

It is an amenable number.

106405045 is a deficient number, since it is larger than the sum of its proper divisors (29586251).

106405045 is a wasteful number, since it uses less digits than its factorization.

106405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 106405045 is about 10315.2821095693. The cubic root of 106405045 is about 473.8643896866.

Adding to 106405045 its reverse (540504601), we get a palindrome (646909646).

The spelling of 106405045 in words is "one hundred six million, four hundred five thousand, forty-five".

Divisors: 1 5 41 61 67 127 205 305 335 635 2501 2747 4087 5207 7747 8509 12505 13735 20435 26035 38735 42545 167567 317627 348869 519049 837835 1588135 1744345 2595245 21281009 106405045