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152304222 = 2373626291
BaseRepresentation
bin10010001001111…
…11101001011110
3101121120212010010
421010333221132
5302442213342
623040224050
73526364430
oct1104775136
9347525103
10152304222
1178a76464
124300b026
1325727955
1416328650
15d58729c
hex913fa5e

152304222 has 16 divisors (see below), whose sum is σ = 348124032. Its totient is φ = 43515480.

The previous prime is 152304221. The next prime is 152304227. The reversal of 152304222 is 222403251.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152304221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813104 + ... + 1813187.

It is an arithmetic number, because the mean of its divisors is an integer number (21757752).

Almost surely, 2152304222 is an apocalyptic number.

152304222 is an abundant number, since it is smaller than the sum of its proper divisors (195819810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152304222 is a wasteful number, since it uses less digits than its factorization.

152304222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626303.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 152304222 is about 12341.1596699824. The cubic root of 152304222 is about 534.0361391749.

Adding to 152304222 its reverse (222403251), we get a palindrome (374707473).

The spelling of 152304222 in words is "one hundred fifty-two million, three hundred four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 3626291 7252582 10878873 21757746 25384037 50768074 76152111 152304222