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1942661 = 71911453
BaseRepresentation
bin111011010010010000101
310122200211102
413122102011
5444131121
6105345445
722340510
oct7322205
93580742
101942661
111107606
12798285
13530306
14387d77
1528590b
hex1da485

1942661 has 8 divisors (see below), whose sum is σ = 2233344. Its totient is φ = 1655280.

The previous prime is 1942657. The next prime is 1942669. The reversal of 1942661 is 1662491.

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 1942661 - 22 = 1942657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942669) 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, 611 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (279168).

21942661 is an apocalyptic number.

It is an amenable number.

1942661 is a deficient number, since it is larger than the sum of its proper divisors (290683).

1942661 is a wasteful number, since it uses less digits than its factorization.

1942661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its digits is 2592, while the sum is 29.

The square root of 1942661 is about 1393.7937437082. The cubic root of 1942661 is about 124.7763681490.

The spelling of 1942661 in words is "one million, nine hundred forty-two thousand, six hundred sixty-one".

Divisors: 1 7 191 1337 1453 10171 277523 1942661