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40355030 = 2510493847
BaseRepresentation
bin1001100111110…
…0010011010110
32210221020200202
42121330103112
540312330110
64000540502
71000004102
oct231742326
983836622
1040355030
1120863371
1211621732
13848c321
145506902
1538220a5
hex267c4d6

40355030 has 16 divisors (see below), whose sum is σ = 72727200. Its totient is φ = 16122432.

The previous prime is 40355023. The next prime is 40355033. The reversal of 40355030 is 3055304.

It is a junction number, because it is equal to n+sod(n) for n = 40354993 and 40355011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40355033) 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, 8567 + ... + 12413.

It is an arithmetic number, because the mean of its divisors is an integer number (4545450).

Almost surely, 240355030 is an apocalyptic number.

40355030 is a deficient number, since it is larger than the sum of its proper divisors (32372170).

40355030 is a wasteful number, since it uses less digits than its factorization.

40355030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 40355030 is about 6352.5609009281. The cubic root of 40355030 is about 343.0040317194.

The spelling of 40355030 in words is "forty million, three hundred fifty-five thousand, thirty".

Divisors: 1 2 5 10 1049 2098 3847 5245 7694 10490 19235 38470 4035503 8071006 20177515 40355030