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19029054 = 2311401719
BaseRepresentation
bin100100010010…
…1110000111110
31022210202221210
41020211300332
514332412204
61515505250
7320513202
oct110456076
938722853
1019029054
11a8178a0
126458226
133c334c5
142754b02
151a0d389
hex1225c3e

19029054 has 32 divisors (see below), whose sum is σ = 41679360. Its totient is φ = 5744000.

The previous prime is 19029053. The next prime is 19029061. The reversal of 19029054 is 45092091.

It is a happy number.

It is a super-2 number, since 2×190290542 = 724209792269832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19029053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26107 + ... + 26825.

It is an arithmetic number, because the mean of its divisors is an integer number (1302480).

Almost surely, 219029054 is an apocalyptic number.

19029054 is an abundant number, since it is smaller than the sum of its proper divisors (22650306).

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

19029054 is a wasteful number, since it uses less digits than its factorization.

19029054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 19029054 is about 4362.2303928151. The cubic root of 19029054 is about 266.9761091839.

The spelling of 19029054 in words is "nineteen million, twenty-nine thousand, fifty-four".

Divisors: 1 2 3 6 11 22 33 66 401 719 802 1203 1438 2157 2406 4314 4411 7909 8822 13233 15818 23727 26466 47454 288319 576638 864957 1729914 3171509 6343018 9514527 19029054