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30741946 = 215370973
BaseRepresentation
bin111010101000…
…1010110111010
32010211212000121
41311101112322
530332220241
63014523454
7522205444
oct165212672
963755017
1030741946
1116397974
12a36658a
1364a4901
144123494
152a73ad1
hex1d515ba

30741946 has 4 divisors (see below), whose sum is σ = 46112922. Its totient is φ = 15370972.

The previous prime is 30741917. The next prime is 30741973. The reversal of 30741946 is 64914703.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 436921 = 5505^2 + 661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7685485 + ... + 7685488.

Almost surely, 230741946 is an apocalyptic number.

30741946 is a deficient number, since it is larger than the sum of its proper divisors (15370976).

30741946 is a wasteful number, since it uses less digits than its factorization.

30741946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15370975.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30741946 is about 5544.5420009231. The cubic root of 30741946 is about 313.2639731289.

The spelling of 30741946 in words is "thirty million, seven hundred forty-one thousand, nine hundred forty-six".

Divisors: 1 2 15370973 30741946