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28460370 = 2354392161
BaseRepresentation
bin110110010010…
…0010101010010
31222112221021210
41230210111102
524241212440
62454000550
7463623561
oct154442522
958487253
1028460370
1115079774
129646156
135b86273
143acbbd8
152772a80
hex1b24552

28460370 has 32 divisors (see below), whose sum is σ = 68492160. Its totient is φ = 7568640.

The previous prime is 28460357. The next prime is 28460371. The reversal of 28460370 is 7306482.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (28460371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12090 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (2140380).

Almost surely, 228460370 is an apocalyptic number.

28460370 is an abundant number, since it is smaller than the sum of its proper divisors (40031790).

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

28460370 is a wasteful number, since it uses less digits than its factorization.

28460370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 28460370 is about 5334.8261452460. The cubic root of 28460370 is about 305.3140901259.

The spelling of 28460370 in words is "twenty-eight million, four hundred sixty thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 439 878 1317 2161 2195 2634 4322 4390 6483 6585 10805 12966 13170 21610 32415 64830 948679 1897358 2846037 4743395 5692074 9486790 14230185 28460370