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3061990 = 252313313
BaseRepresentation
bin1011101011100011100110
312202120021001
423223203212
51240440430
6145343514
735012041
oct13534346
95676231
103061990
111801578
121037b9a
13832939
14599c58
154073ca
hex2eb8e6

3061990 has 16 divisors (see below), whose sum is σ = 5751648. Its totient is φ = 1171456.

The previous prime is 3061973. The next prime is 3061991. The reversal of 3061990 is 991603.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061991) 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 7 ways as a sum of consecutive naturals, for example, 6427 + ... + 6886.

It is an arithmetic number, because the mean of its divisors is an integer number (359478).

Almost surely, 23061990 is an apocalyptic number.

3061990 is a deficient number, since it is larger than the sum of its proper divisors (2689658).

3061990 is a wasteful number, since it uses less digits than its factorization.

3061990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13343.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 3061990 is about 1749.8542796473. The cubic root of 3061990 is about 145.2115817195.

The spelling of 3061990 in words is "three million, sixty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 13313 26626 66565 133130 306199 612398 1530995 3061990