Search a number
-
+
152020424 = 2375125303
BaseRepresentation
bin10010000111110…
…10010111001000
3101121001102211002
421003322113020
5302404123144
623030154132
73524103143
oct1103722710
9347042732
10152020424
11788a2216
1242ab2948
132565871a
141629305a
15d52d14e
hex90fa5c8

152020424 has 16 divisors (see below), whose sum is σ = 285429120. Its totient is φ = 75906000.

The previous prime is 152020417. The next prime is 152020433. The reversal of 152020424 is 424020251.

It is a happy number.

It is a super-2 number, since 2×1520204242 = 46220418626279552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152020396 and 152020405.

It is an unprimeable number.

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, 6644 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (17839320).

Almost surely, 2152020424 is an apocalyptic number.

It is an amenable number.

152020424 is a deficient number, since it is larger than the sum of its proper divisors (133408696).

152020424 is a wasteful number, since it uses less digits than its factorization.

152020424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26060 (or 26056 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 152020424 is about 12329.6562806917. The cubic root of 152020424 is about 533.7042319349.

Adding to 152020424 its reverse (424020251), we get a palindrome (576040675).

The spelling of 152020424 in words is "one hundred fifty-two million, twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 751 1502 3004 6008 25303 50606 101212 202424 19002553 38005106 76010212 152020424