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30424155 = 352028277
BaseRepresentation
bin111010000001…
…1110001011011
32010020201002120
41310003301123
530242033110
63004032323
7516413106
oct164036133
963221076
1030424155
11161a0133
12a2326a3
1363c3078
14407d73d
152a0e870
hex1d03c5b

30424155 has 8 divisors (see below), whose sum is σ = 48678672. Its totient is φ = 16226208.

The previous prime is 30424153. The next prime is 30424157. The reversal of 30424155 is 55142403.

It is an interprime number because it is at equal distance from previous prime (30424153) and next prime (30424157).

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

It is not a de Polignac number, because 30424155 - 21 = 30424153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30424153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014124 + ... + 1014153.

It is an arithmetic number, because the mean of its divisors is an integer number (6084834).

Almost surely, 230424155 is an apocalyptic number.

30424155 is a deficient number, since it is larger than the sum of its proper divisors (18254517).

30424155 is a wasteful number, since it uses less digits than its factorization.

30424155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028285.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 30424155 is about 5515.8095507369. The cubic root of 30424155 is about 312.1807897798.

Adding to 30424155 its reverse (55142403), we get a palindrome (85566558).

The spelling of 30424155 in words is "thirty million, four hundred twenty-four thousand, one hundred fifty-five".

Divisors: 1 3 5 15 2028277 6084831 10141385 30424155