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30396941 = 191599839
BaseRepresentation
bin111001111110…
…1001000001101
32010012022202122
41303331020031
530240200231
63003302325
7516240551
oct163751015
963168678
1030396941
1116181743
12a21a9a5
1363b3873
144073861
152a0677b
hex1cfd20d

30396941 has 4 divisors (see below), whose sum is σ = 31996800. Its totient is φ = 28797084.

The previous prime is 30396929. The next prime is 30396953. The reversal of 30396941 is 14969303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14969303 = 59253717.

It is an interprime number because it is at equal distance from previous prime (30396929) and next prime (30396953).

It is not a de Polignac number, because 30396941 - 210 = 30395917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30396911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799901 + ... + 799938.

It is an arithmetic number, because the mean of its divisors is an integer number (7999200).

Almost surely, 230396941 is an apocalyptic number.

It is an amenable number.

30396941 is a deficient number, since it is larger than the sum of its proper divisors (1599859).

30396941 is a wasteful number, since it uses less digits than its factorization.

30396941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599858.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 30396941 is about 5513.3420898762. The cubic root of 30396941 is about 312.0876814983.

The spelling of 30396941 in words is "thirty million, three hundred ninety-six thousand, nine hundred forty-one".

Divisors: 1 19 1599839 30396941