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245163100 = 225271329929
BaseRepresentation
bin11101001110011…
…10010001011100
3122002022120112211
432213032101130
51000230204400
640154410204
76034565140
oct1647162134
9562276484
10245163100
1111642a736
126a130964
133ba3ac30
14247bb220
15167cadba
hexe9ce45c

245163100 has 144 divisors (see below), whose sum is σ = 678081600. Its totient is φ = 74833920.

The previous prime is 245163091. The next prime is 245163133. The reversal of 245163100 is 1361542.

It is a super-2 number, since 2×2451631002 = 120209891203220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263436 + ... + 264364.

It is an arithmetic number, because the mean of its divisors is an integer number (4708900).

Almost surely, 2245163100 is an apocalyptic number.

245163100 is a gapful number since it is divisible by the number (20) 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 245163100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339040800).

245163100 is an abundant number, since it is smaller than the sum of its proper divisors (432918500).

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

245163100 is a wasteful number, since it uses less digits than its factorization.

245163100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 245163100 is about 15657.6850140754. The cubic root of 245163100 is about 625.8712967826.

The spelling of 245163100 in words is "two hundred forty-five million, one hundred sixty-three thousand, one hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 29 35 50 52 58 65 70 91 100 116 130 140 145 175 182 203 260 290 325 350 364 377 406 455 580 650 700 725 754 812 910 929 1015 1300 1450 1508 1820 1858 1885 2030 2275 2639 2900 3716 3770 4060 4550 4645 5075 5278 6503 7540 9100 9290 9425 10150 10556 12077 13006 13195 18580 18850 20300 23225 24154 26012 26390 26941 32515 37700 46450 48308 52780 53882 60385 65030 65975 84539 92900 107764 120770 130060 131950 134705 162575 169078 188587 241540 263900 269410 301925 325150 338156 350233 377174 422695 538820 603850 650300 673525 700466 754348 845390 942935 1207700 1347050 1400932 1690780 1751165 1885870 2113475 2451631 2694100 3502330 3771740 4226950 4714675 4903262 7004660 8453900 8755825 9429350 9806524 12258155 17511650 18858700 24516310 35023300 49032620 61290775 122581550 245163100