[go: up one dir, main page]

Search a number
-
+
152791748 = 2241931657
BaseRepresentation
bin10010001101101…
…10101011000100
3101122111121212122
421012312223010
5303103313443
623054505112
73533464664
oct1106665304
9348447778
10152791748
117927977a
1243205198
1325868825
14164141a4
15d631968
hex91b6ac4

152791748 has 12 divisors (see below), whose sum is σ = 273907452. Its totient is φ = 74532480.

The previous prime is 152791747. The next prime is 152791753. The reversal of 152791748 is 847197251.

It can be written as a sum of positive squares in 2 ways, for example, as 11847364 + 140944384 = 3442^2 + 11872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152791699 and 152791708.

It is not an unprimeable number, because it can be changed into a prime (152791741) 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 3 ways as a sum of consecutive naturals, for example, 465665 + ... + 465992.

It is an arithmetic number, because the mean of its divisors is an integer number (22825621).

Almost surely, 2152791748 is an apocalyptic number.

It is an amenable number.

152791748 is a deficient number, since it is larger than the sum of its proper divisors (121115704).

152791748 is a wasteful number, since it uses less digits than its factorization.

152791748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931702 (or 931700 counting only the distinct ones).

The product of its digits is 141120, while the sum is 44.

The square root of 152791748 is about 12360.8959222218. The cubic root of 152791748 is about 534.6053490363.

The spelling of 152791748 in words is "one hundred fifty-two million, seven hundred ninety-one thousand, seven hundred forty-eight".

Divisors: 1 2 4 41 82 164 931657 1863314 3726628 38197937 76395874 152791748