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193420044 = 223252310273
BaseRepresentation
bin10111000011101…
…01101100001100
3111110221202102100
423201311230030
5344003420134
631105355100
74536020556
oct1341655414
9443852370
10193420044
119a1a9384
1254938a90
13310c233c
141b98c4d6
1511ea9999
hexb875b0c

193420044 has 36 divisors (see below), whose sum is σ = 489905416. Its totient is φ = 64343808.

The previous prime is 193420027. The next prime is 193420049. The reversal of 193420044 is 440024391.

193420044 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 (36).

It is a super-2 number, since 2×1934200442 = 74822626841923872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193420049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13692 + ... + 23964.

Almost surely, 2193420044 is an apocalyptic number.

It is an amenable number.

193420044 is an abundant number, since it is smaller than the sum of its proper divisors (296485372).

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

193420044 is a wasteful number, since it uses less digits than its factorization.

193420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10806 (or 10801 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 193420044 is about 13907.5534872241. The cubic root of 193420044 is about 578.3185984742.

The spelling of 193420044 in words is "one hundred ninety-three million, four hundred twenty thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 523 1046 1569 2092 3138 4707 6276 9414 10273 18828 20546 30819 41092 61638 92457 123276 184914 369828 5372779 10745558 16118337 21491116 32236674 48355011 64473348 96710022 193420044