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2897948 = 22724487
BaseRepresentation
bin1011000011100000011100
312110020020102
423003200130
51220213243
6142040232
733426554
oct13034034
95406212
102897948
1116aa2a9
12b79078
137a6081
14556164
153c39b8
hex2c381c

2897948 has 6 divisors (see below), whose sum is σ = 5071416. Its totient is φ = 1448972.

The previous prime is 2897933. The next prime is 2897959. The reversal of 2897948 is 8497982.

It is a super-2 number, since 2×28979482 = 16796205221408, 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 as a sum of consecutive naturals, namely, 362240 + ... + 362247.

It is an arithmetic number, because the mean of its divisors is an integer number (845236).

22897948 is an apocalyptic number.

It is an amenable number.

2897948 is a deficient number, since it is larger than the sum of its proper divisors (2173468).

2897948 is a wasteful number, since it uses less digits than its factorization.

2897948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724491 (or 724489 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2897948 is about 1702.3360420317. The cubic root of 2897948 is about 142.5706718292.

The spelling of 2897948 in words is "two million, eight hundred ninety-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 724487 1448974 2897948