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207489796 = 2251872449
BaseRepresentation
bin11000101111000…
…00101100000100
3112110102120111021
430113200230010
5411104133141
632331120524
75066430343
oct1427405404
9473376437
10207489796
11a7139178
12595a3144
1333caa437
141d7b1b5a
15133386d1
hexc5e0b04

207489796 has 6 divisors (see below), whose sum is σ = 363107150. Its totient is φ = 103744896.

The previous prime is 207489773. The next prime is 207489797. The reversal of 207489796 is 697984702.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 89984196 = 10840^2 + 9486^2 .

It is not an unprimeable number, because it can be changed into a prime (207489797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25936221 + ... + 25936228.

Almost surely, 2207489796 is an apocalyptic number.

It is an amenable number.

207489796 is a deficient number, since it is larger than the sum of its proper divisors (155617354).

207489796 is a wasteful number, since it uses less digits than its factorization.

207489796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51872453 (or 51872451 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 207489796 is about 14404.5061005228. The cubic root of 207489796 is about 592.0143691728.

The spelling of 207489796 in words is "two hundred seven million, four hundred eighty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 4 51872449 103744898 207489796