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40744930 = 25191311637
BaseRepresentation
bin1001101101101…
…1011111100010
32211200001112111
42123123133202
540412314210
64013145534
71003216612
oct233333742
984601474
1040744930
1120aaa2a6
121178b2aa
138597935
1455a8a42
15389c88a
hex26db7e2

40744930 has 32 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 15312960.

The previous prime is 40744927. The next prime is 40744933. The reversal of 40744930 is 3944704.

It is an interprime number because it is at equal distance from previous prime (40744927) and next prime (40744933).

It is a junction number, because it is equal to n+sod(n) for n = 40744892 and 40744901.

It is not an unprimeable number, because it can be changed into a prime (40744933) 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, 24072 + ... + 25708.

It is an arithmetic number, because the mean of its divisors is an integer number (2432430).

Almost surely, 240744930 is an apocalyptic number.

40744930 is a deficient number, since it is larger than the sum of its proper divisors (37092830).

40744930 is a wasteful number, since it uses less digits than its factorization.

40744930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40744930 is about 6383.1755420010. The cubic root of 40744930 is about 344.1051654756.

The spelling of 40744930 in words is "forty million, seven hundred forty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 131 190 262 655 1310 1637 2489 3274 4978 8185 12445 16370 24890 31103 62206 155515 214447 311030 428894 1072235 2144470 4074493 8148986 20372465 40744930