Search a number
-
+
993907948 = 221122588817
BaseRepresentation
bin111011001111011…
…101010011101100
32120021012202101111
4323033131103230
54013420023243
6242342521404
733426035545
oct7317352354
92507182344
10993907948
11470042830
12238a36264
1312abb6317
14960034cc
155c3cb39d
hex3b3dd4ec

993907948 has 12 divisors (see below), whose sum is σ = 1897460712. Its totient is φ = 451776320.

The previous prime is 993907939. The next prime is 993907951. The reversal of 993907948 is 849709399.

It is a junction number, because it is equal to n+sod(n) for n = 993907892 and 993907901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11294365 + ... + 11294452.

It is an arithmetic number, because the mean of its divisors is an integer number (158121726).

Almost surely, 2993907948 is an apocalyptic number.

It is an amenable number.

993907948 is a deficient number, since it is larger than the sum of its proper divisors (903552764).

993907948 is a wasteful number, since it uses less digits than its factorization.

993907948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22588832 (or 22588830 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 993907948 is about 31526.3056509956. The cubic root of 993907948 is about 997.9651783091.

The spelling of 993907948 in words is "nine hundred ninety-three million, nine hundred seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 11 22 44 22588817 45177634 90355268 248476987 496953974 993907948