Search a number
-
+
245223372 = 223971911103
BaseRepresentation
bin11101001110111…
…00111111001100
3122002102122020010
432213130333030
51000234121442
640155553220
76035235642
oct1647347714
9562378203
10245223372
11116470a49
126a15b810
133ba5c4b4
14247d5192
15167ddb9c
hexe9dcfcc

245223372 has 48 divisors (see below), whose sum is σ = 581640192. Its totient is φ = 80401920.

The previous prime is 245223371. The next prime is 245223397. The reversal of 245223372 is 273322542.

It is not an unprimeable number, because it can be changed into a prime (245223371) 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, 221773 + ... + 222875.

It is an arithmetic number, because the mean of its divisors is an integer number (12117504).

Almost surely, 2245223372 is an apocalyptic number.

It is an amenable number.

245223372 is an abundant number, since it is smaller than the sum of its proper divisors (336416820).

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

245223372 is a wasteful number, since it uses less digits than its factorization.

245223372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its digits is 20160, while the sum is 30.

The square root of 245223372 is about 15659.6095736771. The cubic root of 245223372 is about 625.9225815857.

The spelling of 245223372 in words is "two hundred forty-five million, two hundred twenty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 97 191 194 291 382 388 573 582 764 1103 1146 1164 2206 2292 3309 4412 6618 13236 18527 37054 55581 74108 106991 111162 210673 213982 222324 320973 421346 427964 632019 641946 842692 1264038 1283892 2528076 20435281 40870562 61305843 81741124 122611686 245223372