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2298955920 = 243519504157
BaseRepresentation
bin1000100100000111…
…0100100010010000
312221012220001122120
42021001310202100
514202013042140
61020042334240
7110653542252
oct21101644220
95835801576
102298955920
11a7a778678
12541aba380
132a839ab61
1417b479cd2
15d6c671d0
hex89074890

2298955920 has 80 divisors (see below), whose sum is σ = 7501871040. Its totient is φ = 580787712.

The previous prime is 2298955909. The next prime is 2298955921. The reversal of 2298955920 is 295598922.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2298955921) 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, 247519 + ... + 256638.

It is an arithmetic number, because the mean of its divisors is an integer number (93773388).

Almost surely, 22298955920 is an apocalyptic number.

2298955920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2298955920 is an abundant number, since it is smaller than the sum of its proper divisors (5202915120).

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

2298955920 is a wasteful number, since it uses less digits than its factorization.

2298955920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504192 (or 504186 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 2298955920 is about 47947.4287110373. The cubic root of 2298955920 is about 1319.8063535949.

The spelling of 2298955920 in words is "two billion, two hundred ninety-eight million, nine hundred fifty-five thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 504157 1008314 1512471 2016628 2520785 3024942 4033256 5041570 6049884 7562355 8066512 9578983 10083140 12099768 15124710 19157966 20166280 24199536 28736949 30249420 38315932 40332560 47894915 57473898 60498840 76631864 95789830 114947796 120997680 143684745 153263728 191579660 229895592 287369490 383159320 459791184 574738980 766318640 1149477960 2298955920