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40349030 = 25472932
BaseRepresentation
bin1001100111101…
…0110101100110
32210220221110112
42121322311212
540312132110
64000453022
7666650441
oct231726546
983827415
1040349030
1120859907
121161a172
138489687
145504658
153820405
hex267ad66

40349030 has 24 divisors (see below), whose sum is σ = 74427552. Its totient is φ = 15742304.

The previous prime is 40349009. The next prime is 40349047. The reversal of 40349030 is 3094304.

It is a junction number, because it is equal to n+sod(n) for n = 40348987 and 40349005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137564 + ... + 137856.

It is an arithmetic number, because the mean of its divisors is an integer number (3101148).

Almost surely, 240349030 is an apocalyptic number.

40349030 is a deficient number, since it is larger than the sum of its proper divisors (34078522).

40349030 is an equidigital number, since it uses as much as digits as its factorization.

40349030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40349030 is about 6352.0886328829. The cubic root of 40349030 is about 342.9870315570.

The spelling of 40349030 in words is "forty million, three hundred forty-nine thousand, thirty".

Divisors: 1 2 5 10 47 94 235 293 470 586 1465 2930 13771 27542 68855 85849 137710 171698 429245 858490 4034903 8069806 20174515 40349030