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2231948 = 22557987
BaseRepresentation
bin1000100000111010001100
311012101122202
420200322030
51032410243
6115501032
724654065
oct10407214
94171582
102231948
111294994
128b7778
13601ba4
1442156c
152e14b8
hex220e8c

2231948 has 6 divisors (see below), whose sum is σ = 3905916. Its totient is φ = 1115972.

The previous prime is 2231941. The next prime is 2232017. The reversal of 2231948 is 8491322.

2231948 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22319483 = 33355962064685530176, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231948.

It is not an unprimeable number, because it can be changed into a prime (2231941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278990 + ... + 278997.

It is an arithmetic number, because the mean of its divisors is an integer number (650986).

22231948 is an apocalyptic number.

It is an amenable number.

2231948 is a deficient number, since it is larger than the sum of its proper divisors (1673968).

2231948 is a wasteful number, since it uses less digits than its factorization.

2231948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557991 (or 557989 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2231948 is about 1493.9705485718. The cubic root of 2231948 is about 130.6856866431.

The spelling of 2231948 in words is "two million, two hundred thirty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 557987 1115974 2231948