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34323144 = 2331430131
BaseRepresentation
bin1000001011101…
…1101011001000
32101120210111120
42002323223020
532241320034
63223355240
7564512322
oct202735310
971523446
1034323144
1118413539
12b5b2b20
13715996b
1447b6612
15302ec49
hex20bbac8

34323144 has 16 divisors (see below), whose sum is σ = 85807920. Its totient is φ = 11441040.

The previous prime is 34323143. The next prime is 34323167. The reversal of 34323144 is 44132343.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1430131 = 34323144 / (3 + 4 + 3 + 2 + 3 + 1 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (34323143) 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, 715042 + ... + 715089.

It is an arithmetic number, because the mean of its divisors is an integer number (5362995).

Almost surely, 234323144 is an apocalyptic number.

It is an amenable number.

34323144 is an abundant number, since it is smaller than the sum of its proper divisors (51484776).

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

34323144 is a wasteful number, since it uses less digits than its factorization.

34323144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430140 (or 1430136 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 34323144 is about 5858.5957361812. The cubic root of 34323144 is about 324.9842801075.

Adding to 34323144 its reverse (44132343), we get a palindrome (78455487).

The spelling of 34323144 in words is "thirty-four million, three hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1430131 2860262 4290393 5720524 8580786 11441048 17161572 34323144