Search a number
-
+
152403019 = 1171713007
BaseRepresentation
bin10010001010101…
…11110001001011
3101121202212122021
421011113301023
5303003344034
623042305311
73530255446
oct1105276113
9347685567
10152403019
117903370a
1243058237
1325760902
141635265d
15d5a66b4
hex9157c4b

152403019 has 4 divisors (see below), whose sum is σ = 152427744. Its totient is φ = 152378296.

The previous prime is 152403007. The next prime is 152403061. The reversal of 152403019 is 910304251.

152403019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 152403019 - 223 = 144014411 is a prime.

It is a super-2 number, since 2×1524030192 = 46453360400628722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152402984 and 152403002.

It is not an unprimeable number, because it can be changed into a prime (152403619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214 + ... + 18220.

It is an arithmetic number, because the mean of its divisors is an integer number (38106936).

Almost surely, 2152403019 is an apocalyptic number.

152403019 is a deficient number, since it is larger than the sum of its proper divisors (24725).

152403019 is a wasteful number, since it uses less digits than its factorization.

152403019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24724.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 152403019 is about 12345.1617648373. The cubic root of 152403019 is about 534.1515874171.

The spelling of 152403019 in words is "one hundred fifty-two million, four hundred three thousand, nineteen".

Divisors: 1 11717 13007 152403019