Search a number
-
+
30264557 = 376011361
BaseRepresentation
bin111001101110…
…0110011101101
32002221121011112
41303130303231
530221431212
63000401405
7515146601
oct163346355
962847145
1030264557
11160a1234
12a176265
13636852b
14403b501
1529cc422
hex1cdcced

30264557 has 8 divisors (see below), whose sum is σ = 31157112. Its totient is φ = 29376000.

The previous prime is 30264491. The next prime is 30264571. The reversal of 30264557 is 75546203.

It can be written as a sum of positive squares in 4 ways, for example, as 10426441 + 19838116 = 3229^2 + 4454^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30264557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30264257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21557 + ... + 22917.

It is an arithmetic number, because the mean of its divisors is an integer number (3894639).

Almost surely, 230264557 is an apocalyptic number.

30264557 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30264557 is a deficient number, since it is larger than the sum of its proper divisors (892555).

30264557 is a wasteful number, since it uses less digits than its factorization.

30264557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 30264557 is about 5501.3232044664. The cubic root of 30264557 is about 311.6339566778.

The spelling of 30264557 in words is "thirty million, two hundred sixty-four thousand, five hundred fifty-seven".

Divisors: 1 37 601 1361 22237 50357 817961 30264557