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19045070 = 2511173137
BaseRepresentation
bin100100010100…
…1101011001110
31022211120220222
41020221223032
514333420240
61520111342
7320610662
oct110515316
938746828
1019045070
11a828930
126465552
133c3a895
14275a8a2
151a12eb5
hex1229ace

19045070 has 16 divisors (see below), whose sum is σ = 37397808. Its totient is φ = 6925440.

The previous prime is 19045069. The next prime is 19045079. The reversal of 19045070 is 7054091.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19045079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86459 + ... + 86678.

It is an arithmetic number, because the mean of its divisors is an integer number (2337363).

Almost surely, 219045070 is an apocalyptic number.

19045070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19045070 is a deficient number, since it is larger than the sum of its proper divisors (18352738).

19045070 is a wasteful number, since it uses less digits than its factorization.

19045070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173155.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 19045070 is about 4364.0657648574. The cubic root of 19045070 is about 267.0509892473.

The spelling of 19045070 in words is "nineteen million, forty-five thousand, seventy".

Divisors: 1 2 5 10 11 22 55 110 173137 346274 865685 1731370 1904507 3809014 9522535 19045070