Search a number
-
+
229886739 = 32193132347
BaseRepresentation
bin11011011001111…
…00101100010011
3121000120110022200
431230330230103
5432322333424
634451134243
75461001505
oct1554745423
9530513280
10229886739
11108846345
1264ba4383
133881c874
1422761d75
15152ae8c9
hexdb3cb13

229886739 has 12 divisors (see below), whose sum is σ = 333781656. Its totient is φ = 152462592.

The previous prime is 229886737. The next prime is 229886747. The reversal of 229886739 is 937688922.

It is a happy number.

It is not a de Polignac number, because 229886739 - 21 = 229886737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229886737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64437 + ... + 67910.

It is an arithmetic number, because the mean of its divisors is an integer number (27815138).

Almost surely, 2229886739 is an apocalyptic number.

229886739 is a deficient number, since it is larger than the sum of its proper divisors (103894917).

229886739 is a wasteful number, since it uses less digits than its factorization.

229886739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132546 (or 132543 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 229886739 is about 15162.0163236952. The cubic root of 229886739 is about 612.5919797449.

The spelling of 229886739 in words is "two hundred twenty-nine million, eight hundred eighty-six thousand, seven hundred thirty-nine".

Divisors: 1 3 9 193 579 1737 132347 397041 1191123 25542971 76628913 229886739