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28152062 = 235939209
BaseRepresentation
bin110101101100…
…1000011111110
31221222021100222
41223121003332
524201331222
62443221342
7461200661
oct153310376
957867328
1028152062
1114989074
129517852
135aa8b33
143a4b6d8
152711542
hex1ad90fe

28152062 has 8 divisors (see below), whose sum is σ = 42346800. Its totient is φ = 14036464.

The previous prime is 28152043. The next prime is 28152067. The reversal of 28152062 is 26025182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28152067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18887 + ... + 20322.

It is an arithmetic number, because the mean of its divisors is an integer number (5293350).

Almost surely, 228152062 is an apocalyptic number.

28152062 is a deficient number, since it is larger than the sum of its proper divisors (14194738).

28152062 is a wasteful number, since it uses less digits than its factorization.

28152062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39570.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 28152062 is about 5305.8516752733. The cubic root of 28152062 is about 304.2076072079.

The spelling of 28152062 in words is "twenty-eight million, one hundred fifty-two thousand, sixty-two".

Divisors: 1 2 359 718 39209 78418 14076031 28152062