Search a number
-
+
30959427 = 367154027
BaseRepresentation
bin111011000011…
…0011101000011
32011020220100110
41312012131003
530411200202
63023322403
7524102502
oct166063503
964226313
1030959427
1116526304
12a450403
13654c8b5
14417c839
152ab826c
hex1d86743

30959427 has 8 divisors (see below), whose sum is σ = 41895616. Its totient is φ = 20331432.

The previous prime is 30959419. The next prime is 30959477. The reversal of 30959427 is 72495903.

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

It is not a de Polignac number, because 30959427 - 23 = 30959419 is a prime.

It is a super-2 number, since 2×309594272 = 1916972240336658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30959407) 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, 76813 + ... + 77214.

It is an arithmetic number, because the mean of its divisors is an integer number (5236952).

Almost surely, 230959427 is an apocalyptic number.

30959427 is a deficient number, since it is larger than the sum of its proper divisors (10936189).

30959427 is a wasteful number, since it uses less digits than its factorization.

30959427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154097.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 30959427 is about 5564.1196069100. The cubic root of 30959427 is about 314.0009567634. Note that the first 3 decimals are identical.

The spelling of 30959427 in words is "thirty million, nine hundred fifty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 67 201 154027 462081 10319809 30959427