Search a number
-
+
152020004 = 2238005001
BaseRepresentation
bin10010000111110…
…10010000100100
3101121001102020112
421003322100210
5302404120004
623030152152
73524102003
oct1103722044
9347042215
10152020004
11788a1974
1242ab2658
1325658486
1416292c3a
15d52ce6e
hex90fa424

152020004 has 6 divisors (see below), whose sum is σ = 266035014. Its totient is φ = 76010000.

The previous prime is 152020003. The next prime is 152020019. The reversal of 152020004 is 400020251.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 25502500 = 11248^2 + 5050^2 .

It is a super-2 number, since 2×1520200042 = 46220163232320032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152020003) 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 as a sum of consecutive naturals, namely, 19002497 + ... + 19002504.

It is an arithmetic number, because the mean of its divisors is an integer number (44339169).

Almost surely, 2152020004 is an apocalyptic number.

It is an amenable number.

152020004 is a deficient number, since it is larger than the sum of its proper divisors (114015010).

152020004 is a wasteful number, since it uses less digits than its factorization.

152020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38005005 (or 38005003 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 152020004 is about 12329.6392485750. The cubic root of 152020004 is about 533.7037404308.

Adding to 152020004 its reverse (400020251), we get a palindrome (552040255).

The spelling of 152020004 in words is "one hundred fifty-two million, twenty thousand, four".

Divisors: 1 2 4 38005001 76010002 152020004