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106904623 = 727273001
BaseRepresentation
bin1100101111100…
…11110000101111
321110011022120111
412113303300233
5204331421443
614335200451
72435450200
oct627636057
9243138514
10106904623
1155388031
122b976127
13191c0497
14102ab5a7
1595ba69d
hex65f3c2f

106904623 has 12 divisors (see below), whose sum is σ = 124570992. Its totient is φ = 91476000.

The previous prime is 106904593. The next prime is 106904641. The reversal of 106904623 is 326409601.

It is not a de Polignac number, because 106904623 - 29 = 106904111 is a prime.

It is a super-2 number, since 2×1069046232 = 22857196837544258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106904683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34123 + ... + 37123.

It is an arithmetic number, because the mean of its divisors is an integer number (10380916).

Almost surely, 2106904623 is an apocalyptic number.

106904623 is a deficient number, since it is larger than the sum of its proper divisors (17666369).

106904623 is an equidigital number, since it uses as much as digits as its factorization.

106904623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 106904623 is about 10339.4691836670. The cubic root of 106904623 is about 474.6048392171.

The spelling of 106904623 in words is "one hundred six million, nine hundred four thousand, six hundred twenty-three".

Divisors: 1 7 49 727 3001 5089 21007 35623 147049 2181727 15272089 106904623