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152213501 = 1121165581
BaseRepresentation
bin10010001001010…
…01011111111101
3101121102020200002
421010221133331
5302431313001
623034244045
73525536066
oct1104513775
9347366602
10152213501
1178a14290
1242b86625
13256c557b
141630356d
15d56a46b
hex91297fd

152213501 has 8 divisors (see below), whose sum is σ = 166840608. Its totient is φ = 137718000.

The previous prime is 152213497. The next prime is 152213533. The reversal of 152213501 is 105312251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152213501 - 22 = 152213497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152213591) 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, 30470 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (20855076).

Almost surely, 2152213501 is an apocalyptic number.

152213501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152213501 is a deficient number, since it is larger than the sum of its proper divisors (14627107).

152213501 is a wasteful number, since it uses less digits than its factorization.

152213501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65803.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 152213501 is about 12337.4835764835. The cubic root of 152213501 is about 533.9300840819.

Adding to 152213501 its reverse (105312251), we get a palindrome (257525752).

The spelling of 152213501 in words is "one hundred fifty-two million, two hundred thirteen thousand, five hundred one".

Divisors: 1 11 211 2321 65581 721391 13837591 152213501