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2897312 = 25118231
BaseRepresentation
bin1011000011010110100000
312110012100212
423003112200
51220203222
6142033252
733424655
oct13032640
95405325
102897312
1116a9880
12b78828
137a59b2
14555c2c
153c36e2
hex2c35a0

2897312 has 24 divisors (see below), whose sum is σ = 6223392. Its totient is φ = 1316800.

The previous prime is 2897311. The next prime is 2897341. The reversal of 2897312 is 2137982.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2897311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3764 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (259308).

22897312 is an apocalyptic number.

2897312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2897312 is an abundant number, since it is smaller than the sum of its proper divisors (3326080).

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

2897312 is a wasteful number, since it uses less digits than its factorization.

2897312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252 (or 8244 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2897312 is about 1702.1492296506. The cubic root of 2897312 is about 142.5602412784.

The spelling of 2897312 in words is "two million, eight hundred ninety-seven thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 8231 16462 32924 65848 90541 131696 181082 263392 362164 724328 1448656 2897312