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940870941 = 3313623647
BaseRepresentation
bin111000000101001…
…000110100011101
32102120102012021220
4320011020310131
53411330332231
6233210043553
732213161653
oct7005106435
92376365256
10940870941
1144310829a
122231195b9
1311cc0678a
148cd58dd3
1557901896
hex38148d1d

940870941 has 4 divisors (see below), whose sum is σ = 1254494592. Its totient is φ = 627247292.

The previous prime is 940870921. The next prime is 940870943. The reversal of 940870941 is 149078049.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 940870941 - 223 = 932482333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 940870893 and 940870902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940870943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156811821 + ... + 156811826.

It is an arithmetic number, because the mean of its divisors is an integer number (313623648).

Almost surely, 2940870941 is an apocalyptic number.

It is an amenable number.

940870941 is a deficient number, since it is larger than the sum of its proper divisors (313623651).

940870941 is a wasteful number, since it uses less digits than its factorization.

940870941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313623650.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 940870941 is about 30673.6196266433. The cubic root of 940870941 is about 979.8885549377. Note that the first 3 decimals are identical.

The spelling of 940870941 in words is "nine hundred forty million, eight hundred seventy thousand, nine hundred forty-one".

Divisors: 1 3 313623647 940870941