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230183142 = 23737148123
BaseRepresentation
bin11011011100001…
…01000011100110
3121001010111220120
431232011003212
5432411330032
634501342410
75463344610
oct1556050346
9531114816
10230183142
11108a29002
1265107a06
13388c4757
14227dbdb0
151531c62c
hexdb850e6

230183142 has 32 divisors (see below), whose sum is σ = 540356352. Its totient is φ = 63988704.

The previous prime is 230183087. The next prime is 230183159. The reversal of 230183142 is 241381032.

230183142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72508 + ... + 75615.

It is an arithmetic number, because the mean of its divisors is an integer number (16886136).

Almost surely, 2230183142 is an apocalyptic number.

230183142 is an abundant number, since it is smaller than the sum of its proper divisors (310173210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230183142 is a wasteful number, since it uses less digits than its factorization.

230183142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148172.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 230183142 is about 15171.7876995429. The cubic root of 230183142 is about 612.8551471928.

The spelling of 230183142 in words is "two hundred thirty million, one hundred eighty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 148123 296246 444369 888738 1036861 2073722 3110583 5480551 6221166 10961102 16441653 32883306 38363857 76727714 115091571 230183142