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190074484 = 221723121531
BaseRepresentation
bin10110101010001…
…00111001110100
3111020122210011201
423111010321310
5342124340414
630505542244
74465415005
oct1325047164
9436583151
10190074484
1198323856
12537a4984
13304c0612
141b35b1ac
1511a48574
hexb544e74

190074484 has 24 divisors (see below), whose sum is σ = 367512768. Its totient is φ = 85557120.

The previous prime is 190074481. The next prime is 190074509. The reversal of 190074484 is 484470091.

190074484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1900744842 = 72256618935732512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190074481) 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, 59202 + ... + 62329.

It is an arithmetic number, because the mean of its divisors is an integer number (15313032).

Almost surely, 2190074484 is an apocalyptic number.

It is an amenable number.

190074484 is a deficient number, since it is larger than the sum of its proper divisors (177438284).

190074484 is a wasteful number, since it uses less digits than its factorization.

190074484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121575 (or 121573 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 190074484 is about 13786.7503060003. The cubic root of 190074484 is about 574.9648210362.

The spelling of 190074484 in words is "one hundred ninety million, seventy-four thousand, four hundred eighty-four".

Divisors: 1 2 4 17 23 34 46 68 92 391 782 1564 121531 243062 486124 2066027 2795213 4132054 5590426 8264108 11180852 47518621 95037242 190074484