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19010328 = 2332334439
BaseRepresentation
bin100100010000…
…1001100011000
31022202211021020
41020201030120
514331312303
61515242440
7320404461
oct110411430
938684236
1019010328
11a804817
126449420
133c27b1c
14274bd68
151a07a53
hex1221318

19010328 has 32 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 6061088.

The previous prime is 19010309. The next prime is 19010339. The reversal of 19010328 is 82301091.

It is a super-2 number, since 2×190103282 = 722785141335168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 19010298 and 19010307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16668 + ... + 17771.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 219010328 is an apocalyptic number.

It is an amenable number.

19010328 is an abundant number, since it is smaller than the sum of its proper divisors (30583272).

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

19010328 is a wasteful number, since it uses less digits than its factorization.

19010328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34471 (or 34467 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 19010328 is about 4360.0834854392. The cubic root of 19010328 is about 266.8885056795. Note that the first 3 decimals are identical.

The spelling of 19010328 in words is "nineteen million, ten thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 34439 68878 103317 137756 206634 275512 413268 792097 826536 1584194 2376291 3168388 4752582 6336776 9505164 19010328