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1950145 = 52631483
BaseRepresentation
bin111011100000111000001
310200002002121
413130013001
5444401040
6105444241
722401361
oct7340701
93602077
101950145
11111219a
127a0681
13533842
1438a9a1
15287c4a
hex1dc1c1

1950145 has 8 divisors (see below), whose sum is σ = 2350656. Its totient is φ = 1553136.

The previous prime is 1950139. The next prime is 1950149. The reversal of 1950145 is 5410591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1950145 - 27 = 1950017 is a prime.

It is a Duffinian number.

1950145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1950149) 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, 574 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (293832).

21950145 is an apocalyptic number.

It is an amenable number.

1950145 is a deficient number, since it is larger than the sum of its proper divisors (400511).

1950145 is a wasteful number, since it uses less digits than its factorization.

1950145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1950145 is about 1396.4759217401. The cubic root of 1950145 is about 124.9363943067.

The spelling of 1950145 in words is "one million, nine hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 263 1315 1483 7415 390029 1950145