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2028956 = 222917491
BaseRepresentation
bin111101111010110011100
310211002012112
413233112130
51004411311
6111253152
723150216
oct7572634
93732175
102028956
111166426
1281a1b8
13560687
143ab5b6
152a128b
hex1ef59c

2028956 has 12 divisors (see below), whose sum is σ = 3673320. Its totient is φ = 979440.

The previous prime is 2028947. The next prime is 2028973. The reversal of 2028956 is 6598202.

It is a super-3 number, since 3×20289563 = 25057580933317040448, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8630 + ... + 8861.

It is an arithmetic number, because the mean of its divisors is an integer number (306110).

22028956 is an apocalyptic number.

It is an amenable number.

2028956 is a deficient number, since it is larger than the sum of its proper divisors (1644364).

2028956 is a wasteful number, since it uses less digits than its factorization.

2028956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17524 (or 17522 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2028956 is about 1424.4142655843. The cubic root of 2028956 is about 126.5972318741.

The spelling of 2028956 in words is "two million, twenty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 29 58 116 17491 34982 69964 507239 1014478 2028956