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194408632 = 23112209189
BaseRepresentation
bin10111001011001…
…11000010111000
3111112210222111201
423211213002320
5344232034012
631142503544
74550306005
oct1345470270
9445728451
10194408632
119a8140a0
1255134bb4
133137a2c2
141bb688ac
1512102857
hexb9670b8

194408632 has 16 divisors (see below), whose sum is σ = 397654200. Its totient is φ = 88367520.

The previous prime is 194408629. The next prime is 194408639. The reversal of 194408632 is 236804491.

194408632 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 2×1944086322 = 75589432392222848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194408591 and 194408600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194408639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104507 + ... + 1104682.

Almost surely, 2194408632 is an apocalyptic number.

It is an amenable number.

194408632 is an abundant number, since it is smaller than the sum of its proper divisors (203245568).

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

194408632 is a wasteful number, since it uses less digits than its factorization.

194408632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209206 (or 2209202 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 194408632 is about 13943.0495946905. The cubic root of 194408632 is about 579.3022048179.

The spelling of 194408632 in words is "one hundred ninety-four million, four hundred eight thousand, six hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 2209189 4418378 8836756 17673512 24301079 48602158 97204316 194408632