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19084932 = 2232530137
BaseRepresentation
bin100100011001…
…1011010000100
31022220121121100
41020303122010
514341204212
61521020100
7321135126
oct110633204
938817540
1019084932
11a855879
126484630
133c52a79
14276b216
151a1ebdc
hex1233684

19084932 has 18 divisors (see below), whose sum is σ = 48242558. Its totient is φ = 6361632.

The previous prime is 19084921. The next prime is 19084943. The reversal of 19084932 is 23948091.

It is an interprime number because it is at equal distance from previous prime (19084921) and next prime (19084943).

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 5645376 = 3666^2 + 2376^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 530137 = 19084932 / (1 + 9 + 0 + 8 + 4 + 9 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265033 + ... + 265104.

Almost surely, 219084932 is an apocalyptic number.

19084932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19084932 is an abundant number, since it is smaller than the sum of its proper divisors (29157626).

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

19084932 is a wasteful number, since it uses less digits than its factorization.

19084932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530147 (or 530142 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 19084932 is about 4368.6304490080. The cubic root of 19084932 is about 267.2371751078.

The spelling of 19084932 in words is "nineteen million, eighty-four thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 530137 1060274 1590411 2120548 3180822 4771233 6361644 9542466 19084932