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19090152 = 2332265141
BaseRepresentation
bin100100011010…
…0101011101000
31022220212202200
41020310223220
514341341102
61521100200
7321156264
oct110645350
938825680
1019090152
11a859794
126487660
133c55263
14276d0a4
151a2151c
hex1234ae8

19090152 has 24 divisors (see below), whose sum is σ = 51702690. Its totient is φ = 6363360.

The previous prime is 19090147. The next prime is 19090153. The reversal of 19090152 is 25109091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12152196 + 6937956 = 3486^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (19090153) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 132499 + ... + 132642.

Almost surely, 219090152 is an apocalyptic number.

19090152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19090152 is an abundant number, since it is smaller than the sum of its proper divisors (32612538).

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

19090152 is a wasteful number, since it uses less digits than its factorization.

19090152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265153 (or 265146 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 19090152 is about 4369.2278494031. The cubic root of 19090152 is about 267.2615372746.

The spelling of 19090152 in words is "nineteen million, ninety thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 265141 530282 795423 1060564 1590846 2121128 2386269 3181692 4772538 6363384 9545076 19090152