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940960047 = 31719971063
BaseRepresentation
bin111000000101011…
…110100100101111
32102120120201112010
4320011132210233
53411341210142
6233212012303
732214012516
oct7005364457
92376521463
10940960047
11443169235
12223161093
1311cc381c1
148cd7d67d
155791ce9c
hex3815e92f

940960047 has 16 divisors (see below), whose sum is σ = 1398332160. Its totient is φ = 559331712.

The previous prime is 940960037. The next prime is 940960051. The reversal of 940960047 is 740069049.

It is not a de Polignac number, because 940960047 - 27 = 940959919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 940959987 and 940960014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940960037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484563 + ... + 486500.

It is an arithmetic number, because the mean of its divisors is an integer number (87395760).

Almost surely, 2940960047 is an apocalyptic number.

940960047 is a deficient number, since it is larger than the sum of its proper divisors (457372113).

940960047 is a wasteful number, since it uses less digits than its factorization.

940960047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971102.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 940960047 is about 30675.0720781549. The cubic root of 940960047 is about 979.9194876936.

The spelling of 940960047 in words is "nine hundred forty million, nine hundred sixty thousand, forty-seven".

Divisors: 1 3 17 19 51 57 323 969 971063 2913189 16508071 18450197 49524213 55350591 313653349 940960047