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148217201 = 1113474291
BaseRepresentation
bin10001101010110…
…01110101110001
3101022220012202222
420311121311301
5300420422301
622412450425
73446553056
oct1065316561
9338805688
10148217201
1176734860
1241779a15
13249265b2
141598302d
15d02b31b
hex8d59d71

148217201 has 4 divisors (see below), whose sum is σ = 161691504. Its totient is φ = 134742900.

The previous prime is 148217189. The next prime is 148217207. The reversal of 148217201 is 102712841.

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 148217201 - 26 = 148217137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148217207) 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, 6737135 + ... + 6737156.

It is an arithmetic number, because the mean of its divisors is an integer number (40422876).

Almost surely, 2148217201 is an apocalyptic number.

148217201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148217201 is a deficient number, since it is larger than the sum of its proper divisors (13474303).

148217201 is a wasteful number, since it uses less digits than its factorization.

148217201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474302.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 148217201 is about 12174.4486938834. The cubic root of 148217201 is about 529.2158821469.

It can be divided in two parts, 14821 and 7201, that added together give a palindrome (22022).

The spelling of 148217201 in words is "one hundred forty-eight million, two hundred seventeen thousand, two hundred one".

Divisors: 1 11 13474291 148217201