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40274030 = 2561103641
BaseRepresentation
bin1001100110100…
…0100001101110
32210210010120202
42121220201232
540302232110
63555113502
7666215666
oct231504156
983703522
1040274030
1120808525
12115a2892
1384614b4
1454c51a6
1538080a5
hex266886e

40274030 has 32 divisors (see below), whose sum is σ = 74513088. Its totient is φ = 15667200.

The previous prime is 40274029. The next prime is 40274033. The reversal of 40274030 is 3047204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40273993 and 40274011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40274033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62510 + ... + 63150.

It is an arithmetic number, because the mean of its divisors is an integer number (2328534).

Almost surely, 240274030 is an apocalyptic number.

40274030 is a deficient number, since it is larger than the sum of its proper divisors (34239058).

40274030 is a wasteful number, since it uses less digits than its factorization.

40274030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 40274030 is about 6346.1823169525. The cubic root of 40274030 is about 342.7743871862.

The spelling of 40274030 in words is "forty million, two hundred seventy-four thousand, thirty".

Divisors: 1 2 5 10 61 103 122 206 305 515 610 641 1030 1282 3205 6283 6410 12566 31415 39101 62830 66023 78202 132046 195505 330115 391010 660230 4027403 8054806 20137015 40274030