Search a number
-
+
31314700 = 2252313147
BaseRepresentation
bin111011101110…
…1001100001100
32011220221200201
41313131030030
531004032300
63035103244
7530112334
oct167351414
964827621
1031314700
111674921a
12a5a1b24
136645511
1442320c4
152b3866a
hex1ddd30c

31314700 has 18 divisors (see below), whose sum is σ = 67953116. Its totient is φ = 12525840.

The previous prime is 31314683. The next prime is 31314709. The reversal of 31314700 is 741313.

It is a super-2 number, since 2×313147002 = 1961220872180000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31314709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156474 + ... + 156673.

Almost surely, 231314700 is an apocalyptic number.

It is an amenable number.

31314700 is an abundant number, since it is smaller than the sum of its proper divisors (36638416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31314700 is a wasteful number, since it uses less digits than its factorization.

31314700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313161 (or 313154 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 31314700 is about 5595.9538954498. The cubic root of 31314700 is about 315.1974910044.

The spelling of 31314700 in words is "thirty-one million, three hundred fourteen thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 313147 626294 1252588 1565735 3131470 6262940 7828675 15657350 31314700