Search a number
-
+
30445814 = 272174701
BaseRepresentation
bin111010000100…
…1000011110110
32010021210210202
41310021003312
530243231224
63004320502
7516533210
oct164110366
963253722
1030445814
1116205433
12a243132
1363ccb99
1440875b0
152a15eae
hex1d090f6

30445814 has 8 divisors (see below), whose sum is σ = 52192848. Its totient is φ = 13048200.

The previous prime is 30445787. The next prime is 30445843. The reversal of 30445814 is 41854403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087337 + ... + 1087364.

It is an arithmetic number, because the mean of its divisors is an integer number (6524106).

Almost surely, 230445814 is an apocalyptic number.

30445814 is a deficient number, since it is larger than the sum of its proper divisors (21747034).

30445814 is a wasteful number, since it uses less digits than its factorization.

30445814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174710.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 30445814 is about 5517.7725578353. The cubic root of 30445814 is about 312.2548528595.

The spelling of 30445814 in words is "thirty million, four hundred forty-five thousand, eight hundred fourteen".

Divisors: 1 2 7 14 2174701 4349402 15222907 30445814