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2097707904 = 27321820927
BaseRepresentation
bin111110100001000…
…0111101110000000
312102012012121021100
41331002013232000
513244003123104
6544053054400
7102661136325
oct17502075600
95365177240
102097707904
11987112aa6
124a6627400
132757977a6
1415c850b4c
15c4263139
hex7d087b80

2097707904 has 48 divisors (see below), whose sum is σ = 6036376320. Its totient is φ = 699235584.

The previous prime is 2097707881. The next prime is 2097707921. The reversal of 2097707904 is 4097077902.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2097707904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 909312 + ... + 911615.

It is an arithmetic number, because the mean of its divisors is an integer number (125757840).

Almost surely, 22097707904 is an apocalyptic number.

2097707904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2097707904 is an abundant number, since it is smaller than the sum of its proper divisors (3938668416).

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

2097707904 is a wasteful number, since it uses less digits than its factorization.

2097707904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820947 (or 1820932 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 2097707904 is about 45800.7413040444. The cubic root of 2097707904 is about 1280.1130889665.

The spelling of 2097707904 in words is "two billion, ninety-seven million, seven hundred seven thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 1820927 3641854 5462781 7283708 10925562 14567416 16388343 21851124 29134832 32776686 43702248 58269664 65553372 87404496 116539328 131106744 174808992 233078656 262213488 349617984 524426976 699235968 1048853952 2097707904