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30441274 = 215220637
BaseRepresentation
bin111010000011…
…1111100111010
32010021120120121
41310013330322
530243110044
63004243454
7516514033
oct164077472
963246517
1030441274
1116201a86
12a24058a
1363caab6
144085a8a
152a14984
hex1d07f3a

30441274 has 4 divisors (see below), whose sum is σ = 45661914. Its totient is φ = 15220636.

The previous prime is 30441221. The next prime is 30441283. The reversal of 30441274 is 47214403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47214403 = 85355351.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 8958049 = 4635^2 + 2993^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7610317 + ... + 7610320.

Almost surely, 230441274 is an apocalyptic number.

30441274 is a deficient number, since it is larger than the sum of its proper divisors (15220640).

30441274 is a wasteful number, since it uses less digits than its factorization.

30441274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220639.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 30441274 is about 5517.3611446053. The cubic root of 30441274 is about 312.2393312128.

Adding to 30441274 its reverse (47214403), we get a palindrome (77655677).

The spelling of 30441274 in words is "thirty million, four hundred forty-one thousand, two hundred seventy-four".

Divisors: 1 2 15220637 30441274