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152220007 = 617324659
BaseRepresentation
bin10010001001010…
…11000101100111
3101121102120121001
421010223011213
5302432020012
623034334131
73525564052
oct1104530547
9347376531
10152220007
1178a19165
1242b8a347
13256c8514
1416305a99
15d56c357
hex912b167

152220007 has 4 divisors (see below), whose sum is σ = 152250840. Its totient is φ = 152189176.

The previous prime is 152219971. The next prime is 152220011. The reversal of 152220007 is 700022251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152220007 - 211 = 152217959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152220037) by changing a digit.

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, 6157 + ... + 18502.

It is an arithmetic number, because the mean of its divisors is an integer number (38062710).

Almost surely, 2152220007 is an apocalyptic number.

152220007 is a deficient number, since it is larger than the sum of its proper divisors (30833).

152220007 is an equidigital number, since it uses as much as digits as its factorization.

152220007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30832.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 152220007 is about 12337.7472416969. The cubic root of 152220007 is about 533.9376911593.

Adding to 152220007 its reverse (700022251), we get a palindrome (852242258).

The spelling of 152220007 in words is "one hundred fifty-two million, two hundred twenty thousand, seven".

Divisors: 1 6173 24659 152220007