Search a number
-
+
30766730 = 255952147
BaseRepresentation
bin111010101011…
…1011010001010
32010220010000112
41311113122022
530334013410
63015234322
7522340631
oct165273212
963803015
1030766730
1116404555
12a3789a2
1364b2c87
14412c518
152a7b105
hex1d5768a

30766730 has 16 divisors (see below), whose sum is σ = 56319840. Its totient is φ = 12097872.

The previous prime is 30766727. The next prime is 30766763. The reversal of 30766730 is 3766703.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25484 + ... + 26663.

It is an arithmetic number, because the mean of its divisors is an integer number (3519990).

Almost surely, 230766730 is an apocalyptic number.

30766730 is a deficient number, since it is larger than the sum of its proper divisors (25553110).

30766730 is a wasteful number, since it uses less digits than its factorization.

30766730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52213.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 30766730 is about 5546.7765413797. The cubic root of 30766730 is about 313.3481344550.

The spelling of 30766730 in words is "thirty million, seven hundred sixty-six thousand, seven hundred thirty".

Divisors: 1 2 5 10 59 118 295 590 52147 104294 260735 521470 3076673 6153346 15383365 30766730