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230454772 = 22139414487
BaseRepresentation
bin11011011110001…
…11010111110100
3121001122022111221
431233013113310
5432444023042
634511240124
75465555542
oct1557072764
9531568457
10230454772
111090a4099
1265219044
133898b292
142286cd92
1515372d67
hexdbc75f4

230454772 has 12 divisors (see below), whose sum is σ = 406198240. Its totient is φ = 114398136.

The previous prime is 230454751. The next prime is 230454773. The reversal of 230454772 is 277454032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230454773) 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, 206688 + ... + 207799.

Almost surely, 2230454772 is an apocalyptic number.

It is an amenable number.

230454772 is a deficient number, since it is larger than the sum of its proper divisors (175743468).

230454772 is a wasteful number, since it uses less digits than its factorization.

230454772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414630 (or 414628 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 230454772 is about 15180.7368727608. The cubic root of 230454772 is about 613.0961211170.

The spelling of 230454772 in words is "two hundred thirty million, four hundred fifty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 139 278 556 414487 828974 1657948 57613693 115227386 230454772