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2057711028 = 223756122679
BaseRepresentation
bin111101010100110…
…0010110110110100
312022101221112212120
41322221202312310
513203233223103
6540103515540
7101664153342
oct17251426664
95271845776
102057711028
1196658482a
12495158bb0
1326a4024b9
141573dc992
15c09b2253
hex7aa62db4

2057711028 has 24 divisors (see below), whose sum is σ = 4802172480. Its totient is φ = 685782720.

The previous prime is 2057711027. The next prime is 2057711053. The reversal of 2057711028 is 8201177502.

It is a self number, because there is not a number n which added to its sum of digits gives 2057711028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057711021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79393 + ... + 102071.

It is an arithmetic number, because the mean of its divisors is an integer number (200090520).

Almost surely, 22057711028 is an apocalyptic number.

It is an amenable number.

2057711028 is an abundant number, since it is smaller than the sum of its proper divisors (2744461452).

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

2057711028 is a wasteful number, since it uses less digits than its factorization.

2057711028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30247 (or 30245 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 2057711028 is about 45361.9998236409. Note that the first 3 decimals coincide. The cubic root of 2057711028 is about 1271.9248773917.

The spelling of 2057711028 in words is "two billion, fifty-seven million, seven hundred eleven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 7561 15122 22679 22683 30244 45358 45366 68037 90716 90732 136074 272148 171475919 342951838 514427757 685903676 1028855514 2057711028