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19422294 = 2319170371
BaseRepresentation
bin100101000010…
…1110001010110
31100112202101020
41022011301112
514433003134
61532142010
7324041523
oct112056126
940482336
1019422294
11aa66291
126607906
1340404a8
14281814a
151a89b49
hex1285c56

19422294 has 16 divisors (see below), whose sum is σ = 40889280. Its totient is φ = 6133320.

The previous prime is 19422289. The next prime is 19422311. The reversal of 19422294 is 49222491.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85072 + ... + 85299.

It is an arithmetic number, because the mean of its divisors is an integer number (2555580).

Almost surely, 219422294 is an apocalyptic number.

19422294 is an abundant number, since it is smaller than the sum of its proper divisors (21466986).

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

19422294 is a wasteful number, since it uses less digits than its factorization.

19422294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170395.

The product of its digits is 10368, while the sum is 33.

The square root of 19422294 is about 4407.0731784258. The cubic root of 19422294 is about 268.8026265067.

The spelling of 19422294 in words is "nineteen million, four hundred twenty-two thousand, two hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 170371 340742 511113 1022226 3237049 6474098 9711147 19422294