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245186396 = 227213412347
BaseRepresentation
bin11101001110100…
…11111101011100
3122002100202111122
432213103331130
51000231431041
640155110112
76035023100
oct1647237534
9562322448
10245186396
11116446194
126a142338
133ba48710
14247c5900
15167d2c4b
hexe9d3f5c

245186396 has 72 divisors (see below), whose sum is σ = 550868976. Its totient is φ = 94590720.

The previous prime is 245186377. The next prime is 245186419. The reversal of 245186396 is 693681542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103295 + ... + 105641.

It is an arithmetic number, because the mean of its divisors is an integer number (7650958).

Almost surely, 2245186396 is an apocalyptic number.

245186396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245186396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275434488).

245186396 is an abundant number, since it is smaller than the sum of its proper divisors (305682580).

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

245186396 is a wasteful number, since it uses less digits than its factorization.

245186396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2410 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 245186396 is about 15658.4289122504. The cubic root of 245186396 is about 625.8911200974.

The spelling of 245186396 in words is "two hundred forty-five million, one hundred eighty-six thousand, three hundred ninety-six".

Divisors: 1 2 4 7 13 14 26 28 41 49 52 82 91 98 164 182 196 287 364 533 574 637 1066 1148 1274 2009 2132 2347 2548 3731 4018 4694 7462 8036 9388 14924 16429 26117 30511 32858 52234 61022 65716 96227 104468 115003 122044 192454 213577 230006 384908 427154 460012 673589 854308 1250951 1347178 1495039 2501902 2694356 2990078 4715123 5003804 5980156 8756657 9430246 17513314 18860492 35026628 61296599 122593198 245186396