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245213232 = 24311464419
BaseRepresentation
bin11101001110110…
…10100000110000
3122002102010022120
432213122200300
51000233310412
640155434240
76035164245
oct1647324060
9562363276
10245213232
11116464370
126a155980
133ba579b4
14247d15cc
15167dab8c
hexe9da830

245213232 has 40 divisors (see below), whose sum is σ = 691056960. Its totient is φ = 74306880.

The previous prime is 245213231. The next prime is 245213239. The reversal of 245213232 is 232312542.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (245213231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231682 + ... + 232737.

It is an arithmetic number, because the mean of its divisors is an integer number (17276424).

Almost surely, 2245213232 is an apocalyptic number.

245213232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245213232 is an abundant number, since it is smaller than the sum of its proper divisors (445843728).

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

245213232 is a wasteful number, since it uses less digits than its factorization.

245213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464441 (or 464435 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 245213232 is about 15659.2858074690. The cubic root of 245213232 is about 625.9139541557.

Adding to 245213232 its reverse (232312542), we get a palindrome (477525774).

The spelling of 245213232 in words is "two hundred forty-five million, two hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 464419 928838 1393257 1857676 2786514 3715352 5108609 5573028 7430704 10217218 11146056 15325827 20434436 22292112 30651654 40868872 61303308 81737744 122606616 245213232