Search a number
-
+
123007964 = 22613111621
BaseRepresentation
bin1110101010011…
…11001111011100
322120110110012112
413111033033130
5222442223324
620112253152
73022356542
oct725171734
9276413175
10123007964
1163486782
12352411b8
131c63b0a1
141249dd92
15abebc0e
hex754f3dc

123007964 has 24 divisors (see below), whose sum is σ = 219631776. Its totient is φ = 60264000.

The previous prime is 123007901. The next prime is 123007987. The reversal of 123007964 is 469700321.

It is a self number, because there is not a number n which added to its sum of digits gives 123007964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75074 + ... + 76694.

It is an arithmetic number, because the mean of its divisors is an integer number (9151324).

Almost surely, 2123007964 is an apocalyptic number.

It is an amenable number.

123007964 is a deficient number, since it is larger than the sum of its proper divisors (96623812).

123007964 is a wasteful number, since it uses less digits than its factorization.

123007964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 123007964 is about 11090.8955454463. The cubic root of 123007964 is about 497.3297165597.

The spelling of 123007964 in words is "one hundred twenty-three million, seven thousand, nine hundred sixty-four".

Divisors: 1 2 4 61 122 244 311 622 1244 1621 3242 6484 18971 37942 75884 98881 197762 395524 504131 1008262 2016524 30751991 61503982 123007964