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160993744 = 24233827
BaseRepresentation
bin10011001100010…
…01000111010000
3102012221022220021
421212021013100
5312203244434
623550353224
73663265342
oct1146110720
9365838807
10160993744
1182970a8a
1245abb814
132747ab92
141754b292
15e201cb4
hex99891d0

160993744 has 40 divisors (see below), whose sum is σ = 326496960. Its totient is φ = 76903904.

The previous prime is 160993739. The next prime is 160993747. The reversal of 160993744 is 447399061.

It is a self number, because there is not a number n which added to its sum of digits gives 160993744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160993747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194259 + ... + 195085.

It is an arithmetic number, because the mean of its divisors is an integer number (8162424).

Almost surely, 2160993744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160993744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163248480).

160993744 is an abundant number, since it is smaller than the sum of its proper divisors (165503216).

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

160993744 is an frugal number, since it uses more digits than its factorization.

160993744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 160993744 is about 12688.3310171196. The cubic root of 160993744 is about 544.0051361972.

The spelling of 160993744 in words is "one hundred sixty million, nine hundred ninety-three thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 23 46 92 184 368 529 827 1058 1654 2116 3308 4232 6616 8464 12167 13232 19021 24334 38042 48668 76084 97336 152168 194672 304336 437483 874966 1749932 3499864 6999728 10062109 20124218 40248436 80496872 160993744