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232201312 = 2571036613
BaseRepresentation
bin11011101011100…
…01110001100000
3121011221001022121
431311301301200
5433420420222
635012514024
75516451520
oct1565616140
9534831277
10232201312
1110a087312
126591b914
1339150235
1422ba5680
15155ba5c7
hexdd71c60

232201312 has 24 divisors (see below), whose sum is σ = 522453456. Its totient is φ = 99514752.

The previous prime is 232201279. The next prime is 232201313. The reversal of 232201312 is 213102232.

232201312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232201313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518083 + ... + 518530.

It is an arithmetic number, because the mean of its divisors is an integer number (21768894).

Almost surely, 2232201312 is an apocalyptic number.

It is an amenable number.

232201312 is an abundant number, since it is smaller than the sum of its proper divisors (290252144).

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

232201312 is a wasteful number, since it uses less digits than its factorization.

232201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036630 (or 1036622 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 232201312 is about 15238.1531689375. The cubic root of 232201312 is about 614.6410419868.

Adding to 232201312 its reverse (213102232), we get a palindrome (445303544).

The spelling of 232201312 in words is "two hundred thirty-two million, two hundred one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 1036613 2073226 4146452 7256291 8292904 14512582 16585808 29025164 33171616 58050328 116100656 232201312