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3076978 = 21738893
BaseRepresentation
bin1011101111001101110010
312210022211011
423233031302
51241430403
6145541134
735103532
oct13571562
95708734
103076978
111811863
1210447aa
138396c8
145a14c2
1540ba6d
hex2ef372

3076978 has 8 divisors (see below), whose sum is σ = 4642668. Its totient is φ = 1529424.

The previous prime is 3076973. The next prime is 3076991. The reversal of 3076978 is 8796703.

It can be written as a sum of positive squares in 2 ways, for example, as 3073009 + 3969 = 1753^2 + 63^2 .

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

It is a super-2 number, since 2×30769782 = 18935587224968, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3076978.

It is not an unprimeable number, because it can be changed into a prime (3076973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4101 + ... + 4792.

Almost surely, 23076978 is an apocalyptic number.

3076978 is a deficient number, since it is larger than the sum of its proper divisors (1565690).

3076978 is a wasteful number, since it uses less digits than its factorization.

3076978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3076978 is about 1754.1316940298. The cubic root of 3076978 is about 145.4481261135.

The spelling of 3076978 in words is "three million, seventy-six thousand, nine hundred seventy-eight".

Divisors: 1 2 173 346 8893 17786 1538489 3076978