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2115197304 = 2331111516961
BaseRepresentation
bin111111000010011…
…0101100101111000
312110102010011012220
41332010311211320
513312442303204
6545520004040
7103262610663
oct17604654570
95412104186
102115197304
11995a79050
124b0460620
132792ac24c
14160cc46da
15c5a6a1d9
hex7e135978

2115197304 has 64 divisors (see below), whose sum is σ = 5774561280. Its totient is φ = 640320000.

The previous prime is 2115197291. The next prime is 2115197309. The reversal of 2115197304 is 4037915112.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115197309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300384 + ... + 307344.

It is an arithmetic number, because the mean of its divisors is an integer number (90227520).

Almost surely, 22115197304 is an apocalyptic number.

2115197304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2115197304 is an abundant number, since it is smaller than the sum of its proper divisors (3659363976).

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

2115197304 is a wasteful number, since it uses less digits than its factorization.

2115197304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 2115197304 is about 45991.2742158771. The cubic root of 2115197304 is about 1283.6608463625.

The spelling of 2115197304 in words is "two billion, one hundred fifteen million, one hundred ninety-seven thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1151 2302 3453 4604 6906 6961 9208 12661 13812 13922 20883 25322 27624 27844 37983 41766 50644 55688 75966 76571 83532 101288 151932 153142 167064 229713 303864 306284 459426 612568 918852 1837704 8012111 16024222 24036333 32048444 48072666 64096888 88133221 96145332 176266442 192290664 264399663 352532884 528799326 705065768 1057598652 2115197304