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2080378 = 21040189
BaseRepresentation
bin111111011111001111010
310220200202001
413323321322
51013033003
6112331214
723453146
oct7737172
93820661
102080378
1111a1023
12843b0a
1357abc1
143c2226
152b161d
hex1fbe7a

2080378 has 4 divisors (see below), whose sum is σ = 3120570. Its totient is φ = 1040188.

The previous prime is 2080363. The next prime is 2080391. The reversal of 2080378 is 8730802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8730802 = 24365401.

It can be written as a sum of positive squares in only one way, i.e., 1723969 + 356409 = 1313^2 + 597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520093 + ... + 520096.

22080378 is an apocalyptic number.

2080378 is a deficient number, since it is larger than the sum of its proper divisors (1040192).

2080378 is a wasteful number, since it uses less digits than its factorization.

2080378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040191.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2080378 is about 1442.3515521536. The cubic root of 2080378 is about 127.6578181583.

The spelling of 2080378 in words is "two million, eighty thousand, three hundred seventy-eight".

Divisors: 1 2 1040189 2080378