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40144106 = 2171180709
BaseRepresentation
bin1001100100100…
…0110011101010
32210112112100202
42121020303222
540234102411
63552232202
7665135132
oct231106352
983475322
1040144106
1120729952
121153b662
138417312
14548dac2
1537ce83b
hex2648cea

40144106 has 8 divisors (see below), whose sum is σ = 63758340. Its totient is φ = 18891328.

The previous prime is 40144103. The next prime is 40144183. The reversal of 40144106 is 60144104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40132225 + 11881 = 6335^2 + 109^2 .

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

It is a super-2 number, since 2×401441062 = 3223098493078472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40144103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590321 + ... + 590388.

Almost surely, 240144106 is an apocalyptic number.

40144106 is a deficient number, since it is larger than the sum of its proper divisors (23614234).

40144106 is a wasteful number, since it uses less digits than its factorization.

40144106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180728.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40144106 is about 6335.9376575216. The cubic root of 40144106 is about 342.4053934447.

The spelling of 40144106 in words is "forty million, one hundred forty-four thousand, one hundred six".

Divisors: 1 2 17 34 1180709 2361418 20072053 40144106