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146430072 = 23331634159
BaseRepresentation
bin10001011101001…
…01100001111000
3101012112102022000
420232211201320
5244441230242
622310301000
73425430555
oct1056454170
9335472260
10146430072
1175724098
1241057760
132444c019
1415639a2c
15ccc6a4c
hex8ba5878

146430072 has 64 divisors (see below), whose sum is σ = 409344000. Its totient is φ = 48498912.

The previous prime is 146430071. The next prime is 146430079. The reversal of 146430072 is 270034641.

146430072 is a `hidden beast` number, since 14 + 643 + 0 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146430071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33129 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (6396000).

Almost surely, 2146430072 is an apocalyptic number.

146430072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146430072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204672000).

146430072 is an abundant number, since it is smaller than the sum of its proper divisors (262913928).

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

146430072 is a wasteful number, since it uses less digits than its factorization.

146430072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 146430072 is about 12100.8293930623. The cubic root of 146430072 is about 527.0802686708.

The spelling of 146430072 in words is "one hundred forty-six million, four hundred thirty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 163 216 326 489 652 978 1304 1467 1956 2934 3912 4159 4401 5868 8318 8802 11736 12477 16636 17604 24954 33272 35208 37431 49908 74862 99816 112293 149724 224586 299448 449172 677917 898344 1355834 2033751 2711668 4067502 5423336 6101253 8135004 12202506 16270008 18303759 24405012 36607518 48810024 73215036 146430072