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30858076 = 2241188159
BaseRepresentation
bin111010110110…
…1101101011100
32011001202022201
41311231231130
530344424301
63021221244
7523201144
oct165555534
964052281
1030858076
1116467147
12a401824
136515722
144153924
152a98201
hex1d6db5c

30858076 has 12 divisors (see below), whose sum is σ = 55319040. Its totient is φ = 15052640.

The previous prime is 30858073. The next prime is 30858089. The reversal of 30858076 is 67085803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30858073) 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, 93916 + ... + 94243.

It is an arithmetic number, because the mean of its divisors is an integer number (4609920).

Almost surely, 230858076 is an apocalyptic number.

It is an amenable number.

30858076 is a deficient number, since it is larger than the sum of its proper divisors (24460964).

30858076 is a wasteful number, since it uses less digits than its factorization.

30858076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188204 (or 188202 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 30858076 is about 5555.0045904571. The cubic root of 30858076 is about 313.6579368305.

The spelling of 30858076 in words is "thirty million, eight hundred fifty-eight thousand, seventy-six".

Divisors: 1 2 4 41 82 164 188159 376318 752636 7714519 15429038 30858076