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513480946 = 21171973389
BaseRepresentation
bin11110100110110…
…001100011110010
31022210012112102211
4132212301203302
52022422342241
6122541402334
715503341666
oct3646614362
91283175384
10513480946
11243934920
12123b693aa
13824c51a4
144c2a48a6
153012c781
hex1e9b18f2

513480946 has 32 divisors (see below), whose sum is σ = 861114240. Its totient is φ = 227673600.

The previous prime is 513480943. The next prime is 513480967. The reversal of 513480946 is 649084315.

It is a junction number, because it is equal to n+sod(n) for n = 513480899 and 513480908.

It is not an unprimeable number, because it can be changed into a prime (513480941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149820 + ... + 153208.

It is an arithmetic number, because the mean of its divisors is an integer number (26909820).

Almost surely, 2513480946 is an apocalyptic number.

513480946 is a deficient number, since it is larger than the sum of its proper divisors (347633294).

513480946 is a wasteful number, since it uses less digits than its factorization.

513480946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 513480946 is about 22660.1179608580. The cubic root of 513480946 is about 800.7705835546.

The spelling of 513480946 in words is "five hundred thirteen million, four hundred eighty thousand, nine hundred forty-six".

Divisors: 1 2 11 22 71 97 142 194 781 1067 1562 2134 3389 6778 6887 13774 37279 74558 75757 151514 240619 328733 481238 657466 2646809 3616063 5293618 7232126 23340043 46680086 256740473 513480946