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202889929 = 1147392437
BaseRepresentation
bin11000001011111…
…01101011001001
3112010202212122211
430011331223021
5403414434204
632044345121
75012351554
oct1405755311
9463685584
10202889929
11a4587230
1257b451a1
1333059818
141cd3569b
1512c2a804
hexc17dac9

202889929 has 8 divisors (see below), whose sum is σ = 226044288. Its totient is φ = 180520560.

The previous prime is 202889909. The next prime is 202889963. The reversal of 202889929 is 929988202.

It is a happy number.

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

It is not a de Polignac number, because 202889929 - 27 = 202889801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202889909) 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, 195702 + ... + 196735.

It is an arithmetic number, because the mean of its divisors is an integer number (28255536).

Almost surely, 2202889929 is an apocalyptic number.

It is an amenable number.

202889929 is a deficient number, since it is larger than the sum of its proper divisors (23154359).

202889929 is a wasteful number, since it uses less digits than its factorization.

202889929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392495.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 202889929 is about 14243.9435901719. The cubic root of 202889929 is about 587.6068231287.

The spelling of 202889929 in words is "two hundred two million, eight hundred eighty-nine thousand, nine hundred twenty-nine".

Divisors: 1 11 47 517 392437 4316807 18444539 202889929