Search a number
-
+
305369012 = 221371107773
BaseRepresentation
bin10010001100111…
…000111110110100
3210021121100112102
4102030320332310
51111133302022
650145041232
710365410444
oct2214707664
9707540472
10305369012
11147411293
1286326218
134b35a830
142c7b0124
151bc1ea92
hex12338fb4

305369012 has 48 divisors (see below), whose sum is σ = 589825152. Its totient is φ = 137477760.

The previous prime is 305368997. The next prime is 305369021. The reversal of 305369012 is 210963503.

It is a super-2 number, since 2×3053690122 = 186500466979712288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394658 + ... + 395430.

It is an arithmetic number, because the mean of its divisors is an integer number (12288024).

Almost surely, 2305369012 is an apocalyptic number.

It is an amenable number.

305369012 is a deficient number, since it is larger than the sum of its proper divisors (284456140).

305369012 is a wasteful number, since it uses less digits than its factorization.

305369012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 305369012 is about 17474.8107858140. The cubic root of 305369012 is about 673.4029087556.

The spelling of 305369012 in words is "three hundred five million, three hundred sixty-nine thousand, twelve".

Divisors: 1 2 4 13 26 52 71 107 142 214 284 428 773 923 1391 1546 1846 2782 3092 3692 5564 7597 10049 15194 20098 30388 40196 54883 82711 98761 109766 165422 197522 219532 330844 395044 713479 1075243 1426958 2150486 2853916 4300972 5872481 11744962 23489924 76342253 152684506 305369012