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28841652 = 22327114451
BaseRepresentation
bin110111000000…
…1011010110100
32000021022022100
41232001122310
524340413102
62510102100
7500102310
oct156013264
960238270
1028841652
111530a184
1297aa930
135c8a988
143b8ab40
1527eaa1c
hex1b816b4

28841652 has 36 divisors (see below), whose sum is σ = 83321056. Its totient is φ = 8240400.

The previous prime is 28841647. The next prime is 28841663. The reversal of 28841652 is 25614882.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56974 + ... + 57477.

Almost surely, 228841652 is an apocalyptic number.

It is an amenable number.

28841652 is an abundant number, since it is smaller than the sum of its proper divisors (54479404).

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

28841652 is a wasteful number, since it uses less digits than its factorization.

28841652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114468 (or 114463 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 28841652 is about 5370.4424398740. The cubic root of 28841652 is about 306.6714717794.

The spelling of 28841652 in words is "twenty-eight million, eight hundred forty-one thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 114451 228902 343353 457804 686706 801157 1030059 1373412 1602314 2060118 2403471 3204628 4120236 4806942 7210413 9613884 14420826 28841652