Search a number
-
+
60768640 = 27594951
BaseRepresentation
bin1110011111010…
…0000110000000
311020100100220101
43213310012000
5111024044030
610010252144
71335345022
oct347640600
9136310811
1060768640
1131336419
1218427054
13c788a9a
1480dc012
1555057ca
hex39f4180

60768640 has 32 divisors (see below), whose sum is σ = 145276560. Its totient is φ = 24307200.

The previous prime is 60768629. The next prime is 60768641. The reversal of 60768640 is 4686706.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 60768640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60768641) 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 3 ways as a sum of consecutive naturals, for example, 46836 + ... + 48115.

Almost surely, 260768640 is an apocalyptic number.

It is an amenable number.

60768640 is an abundant number, since it is smaller than the sum of its proper divisors (84507920).

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

60768640 is an equidigital number, since it uses as much as digits as its factorization.

60768640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94970 (or 94958 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 60768640 is about 7795.4242989077. The cubic root of 60768640 is about 393.1514112911.

The spelling of 60768640 in words is "sixty million, seven hundred sixty-eight thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 94951 189902 379804 474755 759608 949510 1519216 1899020 3038432 3798040 6076864 7596080 12153728 15192160 30384320 60768640