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194213472 = 2532387959
BaseRepresentation
bin10111001001101…
…11011001100000
3111112110001210120
423210313121200
5344204312342
631134400240
74545534015
oct1344673140
9445401716
10194213472
119a6a0502
1255060080
133130c51b
141bb1770c
15120b4aec
hexb937660

194213472 has 48 divisors (see below), whose sum is σ = 531982080. Its totient is φ = 61922432.

The previous prime is 194213429. The next prime is 194213483. The reversal of 194213472 is 274312491.

194213472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41772 + ... + 46187.

It is an arithmetic number, because the mean of its divisors is an integer number (11082960).

Almost surely, 2194213472 is an apocalyptic number.

194213472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194213472 is an abundant number, since it is smaller than the sum of its proper divisors (337768608).

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

194213472 is a wasteful number, since it uses less digits than its factorization.

194213472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87995 (or 87987 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 194213472 is about 13936.0493684545. The cubic root of 194213472 is about 579.1082928682.

The spelling of 194213472 in words is "one hundred ninety-four million, two hundred thirteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 736 1104 2208 87959 175918 263877 351836 527754 703672 1055508 1407344 2023057 2111016 2814688 4046114 4222032 6069171 8092228 8444064 12138342 16184456 24276684 32368912 48553368 64737824 97106736 194213472