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207420152 = 2325927519
BaseRepresentation
bin11000101110011…
…11101011111000
3112110022000221212
430113033223320
5411044421102
632325422252
75066020322
oct1427175370
9473260855
10207420152
11a70a0915
125956a988
1333c84824
141d794612
1513322c52
hexc5cfaf8

207420152 has 8 divisors (see below), whose sum is σ = 388912800. Its totient is φ = 103710072.

The previous prime is 207420149. The next prime is 207420167. The reversal of 207420152 is 251024702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963752 + ... + 12963767.

It is an arithmetic number, because the mean of its divisors is an integer number (48614100).

Almost surely, 2207420152 is an apocalyptic number.

It is an amenable number.

207420152 is a deficient number, since it is larger than the sum of its proper divisors (181492648).

207420152 is a wasteful number, since it uses less digits than its factorization.

207420152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25927525 (or 25927521 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 207420152 is about 14402.0884596645. The cubic root of 207420152 is about 591.9481251721.

Adding to 207420152 its reverse (251024702), we get a palindrome (458444854).

The spelling of 207420152 in words is "two hundred seven million, four hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 25927519 51855038 103710076 207420152