Search a number
-
+
152254429 = 198013391
BaseRepresentation
bin10010001001100…
…11011111011101
3101121111022210221
421010303133131
5302434120204
623035201341
73526066315
oct1104633735
9347438727
10152254429
1178a42008
1242ba6251
132570b0a2
1416314445
15d577654
hex91337dd

152254429 has 4 divisors (see below), whose sum is σ = 160267840. Its totient is φ = 144241020.

The previous prime is 152254393. The next prime is 152254439. The reversal of 152254429 is 924452251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152254429 - 27 = 152254301 is a prime.

It is a super-2 number, since 2×1522544292 = 46362822300232082, 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 = 152254394 and 152254403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152254439) 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, 4006677 + ... + 4006714.

It is an arithmetic number, because the mean of its divisors is an integer number (40066960).

Almost surely, 2152254429 is an apocalyptic number.

152254429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

152254429 is a deficient number, since it is larger than the sum of its proper divisors (8013411).

152254429 is an equidigital number, since it uses as much as digits as its factorization.

152254429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013410.

The product of its digits is 28800, while the sum is 34.

The square root of 152254429 is about 12339.1421500848. The cubic root of 152254429 is about 533.9779351420.

The spelling of 152254429 in words is "one hundred fifty-two million, two hundred fifty-four thousand, four hundred twenty-nine".

Divisors: 1 19 8013391 152254429