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3056690 = 257133359
BaseRepresentation
bin1011101010010000110010
312202021222202
423222100302
51240303230
6145303202
734660430
oct13522062
95667882
103056690
1117a859a
121034b02
138303c0
14597d50
15405a45
hex2ea432

3056690 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 967104.

The previous prime is 3056689. The next prime is 3056699. The reversal of 3056690 is 966503.

It is a super-2 number, since 2×30566902 = 18686707512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3056699) 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, 770 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 23056690 is an apocalyptic number.

3056690 is an abundant number, since it is smaller than the sum of its proper divisors (3717070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3056690 is a wasteful number, since it uses less digits than its factorization.

3056690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 3056690 is about 1748.3392119380. The cubic root of 3056690 is about 145.1277510673.

The spelling of 3056690 in words is "three million, fifty-six thousand, six hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 3359 6718 16795 23513 33590 43667 47026 87334 117565 218335 235130 305669 436670 611338 1528345 3056690