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30550154 = 253288209
BaseRepresentation
bin111010010001…
…0100010001010
32010111002221012
41310202202022
530310101104
63010443522
7520446335
oct164424212
963432835
1030550154
1116276868
12a2935a2
13643851b
1440b361c
152a36d6e
hex1d2288a

30550154 has 8 divisors (see below), whose sum is σ = 46690020. Its totient is φ = 14986816.

The previous prime is 30550153. The next prime is 30550171. The reversal of 30550154 is 45105503.

It can be written as a sum of positive squares in 2 ways, for example, as 29866225 + 683929 = 5465^2 + 827^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30550151) 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, 143999 + ... + 144210.

Almost surely, 230550154 is an apocalyptic number.

30550154 is a deficient number, since it is larger than the sum of its proper divisors (16139866).

30550154 is a wasteful number, since it uses less digits than its factorization.

30550154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288264.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 30550154 is about 5527.2193732473. The cubic root of 30550154 is about 312.6111527795.

Adding to 30550154 its reverse (45105503), we get a palindrome (75655657).

The spelling of 30550154 in words is "thirty million, five hundred fifty thousand, one hundred fifty-four".

Divisors: 1 2 53 106 288209 576418 15275077 30550154