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30252035 = 5116171127
BaseRepresentation
bin111001101100…
…1110000000011
32002220221222202
41303121300003
530221031120
63000223415
7515065232
oct163316003
962827882
1030252035
1116092890
12a16ab6b
136362918
144036b19
1529c8875
hex1cd9c03

30252035 has 32 divisors (see below), whose sum is σ = 41140224. Its totient is φ = 21168000.

The previous prime is 30251999. The next prime is 30252037. The reversal of 30252035 is 53025203.

It is a de Polignac number, because none of the positive numbers 2k-30252035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30251998 and 30252016.

It is not an unprimeable number, because it can be changed into a prime (30252037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238142 + ... + 238268.

It is an arithmetic number, because the mean of its divisors is an integer number (1285632).

Almost surely, 230252035 is an apocalyptic number.

30252035 is a deficient number, since it is larger than the sum of its proper divisors (10888189).

30252035 is a wasteful number, since it uses less digits than its factorization.

30252035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30252035 is about 5500.1849968887. The cubic root of 30252035 is about 311.5909710966.

Adding to 30252035 its reverse (53025203), we get a palindrome (83277238).

The spelling of 30252035 in words is "thirty million, two hundred fifty-two thousand, thirty-five".

Divisors: 1 5 11 55 61 71 127 305 355 635 671 781 1397 3355 3905 4331 6985 7747 9017 21655 38735 45085 47641 85217 99187 238205 426085 495935 550037 2750185 6050407 30252035