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40105070 = 254010507
BaseRepresentation
bin1001100011111…
…1010001101110
32210110112210222
42120333101232
540231330240
63551331342
7664613255
oct230772156
983415728
1040105070
1120702595
1211520b52
138402615
14547d79c
1537c2eb5
hex263f46e

40105070 has 8 divisors (see below), whose sum is σ = 72189144. Its totient is φ = 16042024.

The previous prime is 40105069. The next prime is 40105127. The reversal of 40105070 is 7050104.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005244 + ... + 2005263.

It is an arithmetic number, because the mean of its divisors is an integer number (9023643).

Almost surely, 240105070 is an apocalyptic number.

40105070 is a deficient number, since it is larger than the sum of its proper divisors (32084074).

40105070 is a wasteful number, since it uses less digits than its factorization.

40105070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010514.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 40105070 is about 6332.8563855499. The cubic root of 40105070 is about 342.2943728158.

Adding to 40105070 its reverse (7050104), we get a palindrome (47155174).

The spelling of 40105070 in words is "forty million, one hundred five thousand, seventy".

Divisors: 1 2 5 10 4010507 8021014 20052535 40105070