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3801428 = 22950357
BaseRepresentation
bin1110100000000101010100
321011010120122
432200011110
51433121203
6213251112
744211611
oct16400524
97133518
103801428
112167084
121333a98
13a31387
1470d508
15501538
hex3a0154

3801428 has 6 divisors (see below), whose sum is σ = 6652506. Its totient is φ = 1900712.

The previous prime is 3801419. The next prime is 3801431. The reversal of 3801428 is 8241083.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 6724 = 1948^2 + 82^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3801397 and 3801406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475175 + ... + 475182.

It is an arithmetic number, because the mean of its divisors is an integer number (1108751).

Almost surely, 23801428 is an apocalyptic number.

It is an amenable number.

3801428 is a deficient number, since it is larger than the sum of its proper divisors (2851078).

3801428 is a wasteful number, since it uses less digits than its factorization.

3801428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950361 (or 950359 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 3801428 is about 1949.7251088294. The cubic root of 3801428 is about 156.0686198227.

The spelling of 3801428 in words is "three million, eight hundred one thousand, four hundred twenty-eight".

Divisors: 1 2 4 950357 1900714 3801428