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203052030 = 2358381547
BaseRepresentation
bin11000001101001…
…01001111111110
3112011002010000120
430012211033332
5403440131110
632052035410
75013625266
oct1406451776
9464063016
10203052030
11a4687aa5
1258002b66
13330b553c
141cd787a6
1512c5d870
hexc1a53fe

203052030 has 32 divisors (see below), whose sum is σ = 493202304. Its totient is φ = 53494176.

The previous prime is 203052023. The next prime is 203052053. The reversal of 203052030 is 30250302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38284 + ... + 43263.

It is an arithmetic number, because the mean of its divisors is an integer number (15412572).

Almost surely, 2203052030 is an apocalyptic number.

203052030 is an abundant number, since it is smaller than the sum of its proper divisors (290150274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203052030 is a wasteful number, since it uses less digits than its factorization.

203052030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81640.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 203052030 is about 14249.6326268434. The cubic root of 203052030 is about 587.7632729797.

The spelling of 203052030 in words is "two hundred three million, fifty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 81547 163094 244641 407735 489282 815470 1223205 2446410 6768401 13536802 20305203 33842005 40610406 67684010 101526015 203052030