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109954539 = 3219643009
BaseRepresentation
bin1101000110111…
…00010111101011
321122220021021100
412203130113223
5211122021124
614524412443
72503412112
oct643342753
9248807240
10109954539
1157080522
12309a7123
1319a1a776
1410862c79
1599be1c9
hex68dc5eb

109954539 has 12 divisors (see below), whose sum is σ = 167182600. Its totient is φ = 69444864.

The previous prime is 109954529. The next prime is 109954543. The reversal of 109954539 is 935459901.

It is a happy number.

109954539 is a `hidden beast` number, since 10 + 99 + 545 + 3 + 9 = 666.

It is not a de Polignac number, because 109954539 - 212 = 109950443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109954494 and 109954503.

It is not an unprimeable number, because it can be changed into a prime (109954529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321334 + ... + 321675.

Almost surely, 2109954539 is an apocalyptic number.

109954539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109954539 is a deficient number, since it is larger than the sum of its proper divisors (57228061).

109954539 is a wasteful number, since it uses less digits than its factorization.

109954539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643034 (or 643031 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 109954539 is about 10485.9209895936. The cubic root of 109954539 is about 479.0759697207.

The spelling of 109954539 in words is "one hundred nine million, nine hundred fifty-four thousand, five hundred thirty-nine".

Divisors: 1 3 9 19 57 171 643009 1929027 5787081 12217171 36651513 109954539