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40279070 = 2513833733
BaseRepresentation
bin1001100110100…
…1110000011110
32210210101111102
42121221300132
540302412240
63555153102
7666236456
oct231516036
983711442
1040279070
1120811297
12115a5792
138463890
1454c6d66
153809815
hex2669c1e

40279070 has 32 divisors (see below), whose sum is σ = 79041312. Its totient is φ = 14689152.

The previous prime is 40279061. The next prime is 40279087. The reversal of 40279070 is 7097204.

40279070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×402790703 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8924 + ... + 12656.

It is an arithmetic number, because the mean of its divisors is an integer number (2470041).

Almost surely, 240279070 is an apocalyptic number.

40279070 is a deficient number, since it is larger than the sum of its proper divisors (38762242).

40279070 is a wasteful number, since it uses less digits than its factorization.

40279070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 40279070 is about 6346.5793936577. The cubic root of 40279070 is about 342.7886851581.

The spelling of 40279070 in words is "forty million, two hundred seventy-nine thousand, seventy".

Divisors: 1 2 5 10 13 26 65 83 130 166 415 830 1079 2158 3733 5395 7466 10790 18665 37330 48529 97058 242645 309839 485290 619678 1549195 3098390 4027907 8055814 20139535 40279070