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2258434 = 21129217
BaseRepresentation
bin1000100111011000000010
311020201222201
420213120002
51034232214
6120223414
725124233
oct10473002
94221881
102258434
111302882
1290ab6a
13610c69
1442b08a
152e9274
hex227602

2258434 has 4 divisors (see below), whose sum is σ = 3387654. Its totient is φ = 1129216.

The previous prime is 2258429. The next prime is 2258437. The reversal of 2258434 is 4348522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4348522 = 22174261.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 23409 = 1495^2 + 153^2 .

It is a d-powerful number, because it can be written as 2 + 213 + 59 + 85 + 42 + 37 + 49 .

It is not an unprimeable number, because it can be changed into a prime (2258437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564607 + ... + 564610.

22258434 is an apocalyptic number.

2258434 is a deficient number, since it is larger than the sum of its proper divisors (1129220).

2258434 is a wasteful number, since it uses less digits than its factorization.

2258434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129219.

The product of its digits is 7680, while the sum is 28.

The square root of 2258434 is about 1502.8087037278. The cubic root of 2258434 is about 131.2005939518.

The spelling of 2258434 in words is "two million, two hundred fifty-eight thousand, four hundred thirty-four".

Divisors: 1 2 1129217 2258434