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40070046 = 2361109481
BaseRepresentation
bin1001100011011…
…0101110011110
32210101202202210
42120312232132
540224220141
63550501250
7664406202
oct230665636
983352683
1040070046
1120689245
1211504826
1383bc6b3
145470b02
1537b7916
hex2636b9e

40070046 has 16 divisors (see below), whose sum is σ = 81454608. Its totient is φ = 13137600.

The previous prime is 40069999. The next prime is 40070047. The reversal of 40070046 is 64007004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40070047) 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, 54375 + ... + 55106.

It is an arithmetic number, because the mean of its divisors is an integer number (5090913).

Almost surely, 240070046 is an apocalyptic number.

40070046 is an abundant number, since it is smaller than the sum of its proper divisors (41384562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40070046 is a wasteful number, since it uses less digits than its factorization.

40070046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109547.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40070046 is about 6330.0905206798. The cubic root of 40070046 is about 342.1947012141.

The spelling of 40070046 in words is "forty million, seventy thousand, forty-six".

Divisors: 1 2 3 6 61 122 183 366 109481 218962 328443 656886 6678341 13356682 20035023 40070046