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207423442 = 2971069193
BaseRepresentation
bin11000101110100…
…00011111010010
3112110022012110201
430113100133102
5411100022232
632325445414
75066033032
oct1427203722
9473265421
10207423442
11a70a3336
125957086a
1333c86185
141d7958c2
1513323be7
hexc5d07d2

207423442 has 8 divisors (see below), whose sum is σ = 314343036. Its totient is φ = 102642432.

The previous prime is 207423439. The next prime is 207423473. The reversal of 207423442 is 244324702.

207423442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 201952521 + 5470921 = 14211^2 + 2339^2 .

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

It is a super-2 number, since 2×2074234422 = 86048968582254728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 207423442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534403 + ... + 534790.

Almost surely, 2207423442 is an apocalyptic number.

207423442 is a deficient number, since it is larger than the sum of its proper divisors (106919594).

207423442 is a wasteful number, since it uses less digits than its factorization.

207423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069292.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 207423442 is about 14402.2026787572. The cubic root of 207423442 is about 591.9512548889.

The spelling of 207423442 in words is "two hundred seven million, four hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 97 194 1069193 2138386 103711721 207423442