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1958061 = 3793241
BaseRepresentation
bin111011110000010101101
310200110221210
413132002231
51000124221
6105545033
722433430
oct7360255
93613853
101958061
111118136
127a5179
13537321
1438d817
1528a276
hex1de0ad

1958061 has 8 divisors (see below), whose sum is σ = 2983744. Its totient is φ = 1118880.

The previous prime is 1958041. The next prime is 1958063. The reversal of 1958061 is 1608591.

It is a happy number.

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

It is not a de Polignac number, because 1958061 - 25 = 1958029 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 (1958063) 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, 46600 + ... + 46641.

It is an arithmetic number, because the mean of its divisors is an integer number (372968).

21958061 is an apocalyptic number.

It is an amenable number.

1958061 is a deficient number, since it is larger than the sum of its proper divisors (1025683).

1958061 is an equidigital number, since it uses as much as digits as its factorization.

1958061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93251.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1958061 is about 1399.3073286451. The cubic root of 1958061 is about 125.1052127507.

It can be divided in two parts, 195 and 8061, that added together give a triangular number (8256 = T128).

The spelling of 1958061 in words is "one million, nine hundred fifty-eight thousand, sixty-one".

Divisors: 1 3 7 21 93241 279723 652687 1958061