Search a number
-
+
247285302 = 23113746747
BaseRepresentation
bin11101011110101…
…00011000110110
3122020022101122220
432233110120312
51001301112202
640312103210
76061614255
oct1657243066
9566271586
10247285302
1111764a120
126a994b06
133c301b84
1424bb079c
1516a99abc
hexebd4636

247285302 has 16 divisors (see below), whose sum is σ = 539531712. Its totient is φ = 74934920.

The previous prime is 247285279. The next prime is 247285307. The reversal of 247285302 is 203582742.

It is a super-2 number, since 2×2472853022 = 122300041170462408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247285307) 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, 1873308 + ... + 1873439.

It is an arithmetic number, because the mean of its divisors is an integer number (33720732).

Almost surely, 2247285302 is an apocalyptic number.

247285302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247285302 is an abundant number, since it is smaller than the sum of its proper divisors (292246410).

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

247285302 is a wasteful number, since it uses less digits than its factorization.

247285302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746763.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 247285302 is about 15725.3076917433. The cubic root of 247285302 is about 627.6720179395.

The spelling of 247285302 in words is "two hundred forty-seven million, two hundred eighty-five thousand, three hundred two".

Divisors: 1 2 3 6 11 22 33 66 3746747 7493494 11240241 22480482 41214217 82428434 123642651 247285302