Search a number
-
+
30940310 = 2510313001
BaseRepresentation
bin111011000000…
…1110010010110
32011012221010102
41312001302112
530410042220
63023054102
7523662662
oct166016226
964187112
1030940310
1116512a05
12a441332
136543c9b
1441758a2
152ab2775
hex1d81c96

30940310 has 16 divisors (see below), whose sum is σ = 55765152. Its totient is φ = 12360000.

The previous prime is 30940291. The next prime is 30940319. The reversal of 30940310 is 1304903.

It is a super-2 number, since 2×309403102 = 1914605565792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30940319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8810 + ... + 11810.

It is an arithmetic number, because the mean of its divisors is an integer number (3485322).

Almost surely, 230940310 is an apocalyptic number.

30940310 is a deficient number, since it is larger than the sum of its proper divisors (24824842).

30940310 is a wasteful number, since it uses less digits than its factorization.

30940310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30940310 is about 5562.4014598013. The cubic root of 30940310 is about 313.9363131009.

The spelling of 30940310 in words is "thirty million, nine hundred forty thousand, three hundred ten".

Divisors: 1 2 5 10 1031 2062 3001 5155 6002 10310 15005 30010 3094031 6188062 15470155 30940310