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195469040 = 24513187951
BaseRepresentation
bin10111010011010…
…01111011110000
3111121210212010002
423221221323300
5400020002130
631221325132
74562313404
oct1351517360
9447725102
10195469040
11a0378868
12555667a8
133165bb70
141bd63104
1512261b45
hexba69ef0

195469040 has 40 divisors (see below), whose sum is σ = 489427008. Its totient is φ = 72172800.

The previous prime is 195469031. The next prime is 195469051. The reversal of 195469040 is 40964591.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 195468985 and 195469003.

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, 92936 + ... + 95015.

Almost surely, 2195469040 is an apocalyptic number.

195469040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195469040 is an abundant number, since it is smaller than the sum of its proper divisors (293957968).

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

195469040 is a wasteful number, since it uses less digits than its factorization.

195469040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187977 (or 187971 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 195469040 is about 13981.0242829344. The cubic root of 195469040 is about 580.3535695956.

The spelling of 195469040 in words is "one hundred ninety-five million, four hundred sixty-nine thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 187951 375902 751804 939755 1503608 1879510 2443363 3007216 3759020 4886726 7518040 9773452 12216815 15036080 19546904 24433630 39093808 48867260 97734520 195469040