Search a number
-
+
152891919 = 3217219871
BaseRepresentation
bin10010001110011…
…11001000001111
3101122200201021200
421013033020033
5303120020134
623101000543
73534363015
oct1107171017
9348621250
10152891919
1179337a64
1243253153
13258a22bb
141643c8b5
15d651499
hex91cf20f

152891919 has 12 divisors (see below), whose sum is σ = 220994592. Its totient is φ = 101858400.

The previous prime is 152891887. The next prime is 152891941. The reversal of 152891919 is 919198251.

152891919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152891919 - 25 = 152891887 is a prime.

It is a super-2 number, since 2×1528919192 = 46751877791005122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152891719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10554 + ... + 20424.

It is an arithmetic number, because the mean of its divisors is an integer number (18416216).

Almost surely, 2152891919 is an apocalyptic number.

152891919 is a deficient number, since it is larger than the sum of its proper divisors (68102673).

152891919 is a wasteful number, since it uses less digits than its factorization.

152891919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11598 (or 11595 counting only the distinct ones).

The product of its digits is 58320, while the sum is 45.

The square root of 152891919 is about 12364.9471895354. The cubic root of 152891919 is about 534.7221534545.

The spelling of 152891919 in words is "one hundred fifty-two million, eight hundred ninety-one thousand, nine hundred nineteen".

Divisors: 1 3 9 1721 5163 9871 15489 29613 88839 16987991 50963973 152891919