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107706021 = 363156897
BaseRepresentation
bin1100110101101…
…11011010100101
321111200000212220
412122313122211
5210033043041
614404302553
72445325503
oct632673245
9244600786
10107706021
1155885145
12300a1a59
1319411197
1410439673
1596c7d66
hex66b76a5

107706021 has 8 divisors (see below), whose sum is σ = 143838144. Its totient is φ = 71688960.

The previous prime is 107705989. The next prime is 107706031. The reversal of 107706021 is 120607701.

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

It is not a de Polignac number, because 107706021 - 25 = 107705989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107705982 and 107706000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107706031) 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, 26556 + ... + 30341.

It is an arithmetic number, because the mean of its divisors is an integer number (17979768).

Almost surely, 2107706021 is an apocalyptic number.

It is an amenable number.

107706021 is a deficient number, since it is larger than the sum of its proper divisors (36132123).

107706021 is an equidigital number, since it uses as much as digits as its factorization.

107706021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57531.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 107706021 is about 10378.1511359201. The cubic root of 107706021 is about 475.7878279625.

The spelling of 107706021 in words is "one hundred seven million, seven hundred six thousand, twenty-one".

Divisors: 1 3 631 1893 56897 170691 35902007 107706021