Search a number
-
+
1364591814 = 236719717231
BaseRepresentation
bin101000101010110…
…0000010011000110
310112002201110001120
41101111200103012
510243313414224
6343223534410
745546560535
oct12125402306
93462643046
101364591814
11640305033
12320bba406
13189931ca1
14cd33631c
157ebed779
hex515604c6

1364591814 has 32 divisors (see below), whose sum is σ = 2784139776. Its totient is φ = 445774560.

The previous prime is 1364591803. The next prime is 1364591831. The reversal of 1364591814 is 4181954631.

It is a super-2 number, since 2×13645918142 = 3724221637671621192, 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, 70579 + ... + 87809.

It is an arithmetic number, because the mean of its divisors is an integer number (87004368).

Almost surely, 21364591814 is an apocalyptic number.

1364591814 is an abundant number, since it is smaller than the sum of its proper divisors (1419547962).

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

1364591814 is a wasteful number, since it uses less digits than its factorization.

1364591814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500.

The product of its digits is 103680, while the sum is 42.

The square root of 1364591814 is about 36940.3818875766. The cubic root of 1364591814 is about 1109.1771663456.

The spelling of 1364591814 in words is "one billion, three hundred sixty-four million, five hundred ninety-one thousand, eight hundred fourteen".

Divisors: 1 2 3 6 67 134 197 201 394 402 591 1182 13199 17231 26398 34462 39597 51693 79194 103386 1154477 2308954 3394507 3463431 6789014 6926862 10183521 20367042 227431969 454863938 682295907 1364591814